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Academicstrata began with a simple idea: students learn better when their notes are clear, original and easy to find. We write study guides, summaries and practice questions for high school students, and we share many of them for free so no learner is left behind.
To help every student understand their subjects and approach exams with confidence.
Our guides are written by educators and subject specialists who know the syllabus and how students really study.
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A future where every high school student has clear, dependable study material within reach, wherever they learn.
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Contact usMany of them are. Every guide on the site is marked either Free or Premium, so you always know which kind you are opening.
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Premium guides are original, in-depth material written by our team. Each one is built to take you from understanding a topic to being able to use it in an exam:
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We cover a wide range of high school subjects:
More material is added regularly, so check the Resources page for the latest uploads. If a subject or topic you need is missing, tell us on the Contact page.
Yes. A Level and O Level are both part of our services, and you can see them on the Services page. To find material, open the Resources page and search by subject or keyword, for example “Chemistry”. If you cannot find what you need for your level, contact us with the subject, the level and the topic, and we will let you know what is available.
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Last updated: November 03, 2026
This Privacy Policy describes Our policies and procedures on the collection, use and disclosure of Your information when You use the Service and tells You about Your privacy rights and how the law protects You.
We use Your Personal Data to provide and improve the Service. We collect, use, and disclose Your information as described in this Privacy Policy and, where required by applicable law, only where We have a valid legal basis to do so, including Your consent (where consent is required). This Privacy Policy has been created with the help of the Privacy Policy Generator.
The words whose initial letters are capitalized have meanings defined under the following conditions. The following definitions shall have the same meaning regardless of whether they appear in singular or in plural.
For the purposes of this Privacy Policy:
Account means a unique account created for You to access Our Service or parts of Our Service.
Affiliate means an entity that controls, is controlled by, or is under common control with a party, where "control" means ownership of 50% or more of the shares, equity interest or other securities entitled to vote for election of directors or other managing authority.
Company (referred to as either "the Company", "We", "Us" or "Our" in this Privacy Policy) refers to Academic Strata.
Cookies are small files that are placed on Your computer, mobile device or any other device by a website, containing the details of Your browsing history on that website, among its many uses.
Country/State refers to: Uganda.
Device means any device that can access the Service, such as a computer, a cell phone or a digital tablet.
Personal Data (or "Personal Information") is any information that relates to an identified or identifiable individual.
We use "Personal Data" and "Personal Information" interchangeably unless a law uses a specific term.
Service refers to the Website.
Service Provider means any natural or legal person who processes the data on behalf of the Company. It refers to third-party companies or individuals employed by the Company to facilitate the Service, to provide the Service on behalf of the Company, to perform services related to the Service or to assist the Company in analyzing how the Service is used.
Usage Data refers to data collected automatically, either generated by the use of the Service or from the Service infrastructure itself (for example, the duration of a page visit).
User means any individual who accesses or uses the Service.
Website refers to Academic Strata, accessible from www.academicstrata.com.
You means the individual accessing or using the Service, or the company, or other legal entity on behalf of which such individual is accessing or using the Service, as applicable.
While using Our Service, We may ask You to provide Us with certain personally identifiable information that can be used to contact or identify You. Personally identifiable information may include, but is not limited to:
Usage Data is collected automatically when using the Service.
Usage Data may include information such as Your Device's Internet Protocol address (e.g. IP address), browser type, browser version, the pages of Our Service that You visit, the time and date of Your visit, the time spent on those pages, unique device identifiers and other diagnostic data.
When You access the Service by or through a mobile device, We may collect certain information automatically, including, but not limited to, the type of mobile device You use, Your mobile device's unique ID, the IP address of Your mobile device, Your mobile operating system, the type of mobile Internet browser You use, unique device identifiers and other diagnostic data.
We may also collect information that Your browser sends whenever You visit Our Service or when You access the Service by or through a mobile device.
We use tracking technologies (such as cookies) to track the activity and to improve Our Service. The technologies We use may include:
Cookies can be "Persistent" or "Session" Cookies. Persistent Cookies remain on Your personal computer or mobile device when You go offline, while Session Cookies are deleted as soon as You close Your web browser.
Where required by law, We use non-essential cookies (that is, Cookies other than the Necessary / Essential Cookies described below) only with Your consent. You can withdraw or change Your consent at any time using Our cookie preferences tool (if available) or through Your browser/device settings. Withdrawing consent does not affect the lawfulness of processing based on consent before its withdrawal.
We use both Session and Persistent Cookies for the purposes set out below:
Necessary / Essential Cookies
Type: Session Cookies
Administered by: Us
Purpose: These Cookies are essential to provide You with services available through the Website and to enable You to use some of its features. They help to authenticate users and prevent fraudulent use of user accounts. Without these Cookies, the services that You have asked for cannot be provided, and We only use these Cookies to provide You with those services.
Cookies Policy / Notice Acceptance Cookies
Type: Persistent Cookies
Administered by: Us
Purpose: These Cookies identify whether users have accepted the use of cookies on the Website and record the consent choices You have made, so that We can honor those choices on future visits.
Functionality Cookies
Type: Persistent Cookies
Administered by: Us
Purpose: These Cookies allow Us to remember choices You make when You use the Website, such as remembering Your Account login details or language preference. The purpose of these Cookies is to provide You with a more personal experience and to avoid You having to re-enter Your preferences every time You use the Website.
The Company may use Personal Data for the following purposes:
To provide and maintain Our Service, including to monitor the usage of Our Service.
To manage Your Account: to manage Your registration as a user of the Service. The Personal Data You provide can give You access to different functionalities of the Service that are available to You as a registered user.
For the performance of a contract: the development, compliance and undertaking of the purchase contract for the products, items or services You have purchased or of any other contract with Us through the Service.
To contact You: To contact You by email, telephone calls, SMS, or other equivalent forms of electronic communication, such as a mobile application's push notifications regarding updates or informative communications related to the functionalities, products or contracted services, including the security updates, when necessary or reasonable for their implementation.
To provide You with news, special offers, and general information about other goods, services and events which We offer that are similar to those that You have already purchased or inquired about. We send such marketing communications only where permitted by applicable law: where prior consent is required (for example, under the laws applicable in the EEA and the UK), We will send them only with Your consent; otherwise, We may send them until You opt out. You may opt out or withdraw Your consent at any time by using the unsubscribe link in any marketing email We send or by contacting Us.
To manage Your requests: To attend and manage Your requests to Us.
For business transfers: We may use Your Personal Data to evaluate or conduct a merger, divestiture, restructuring, reorganization, dissolution, or other sale or transfer of some or all of Our assets, whether as a going concern or as part of bankruptcy, liquidation, or similar proceeding, in which Personal Data held by Us about Our Service users is among the assets transferred.
For other purposes: We may use Your information for other purposes, such as data analysis, identifying usage trends, determining the effectiveness of Our promotional campaigns, and evaluating and improving Our Service, products, services, marketing and Your experience.
We may share Your Personal Data in the following situations:
You have the option to receive text (SMS) messages from Us. If You opt in to text messages, We will send You updates, notifications, and other communications as described below. When You opt in, We will collect and store the information You provide in connection with text messaging, such as Your phone number, the date and method of Your consent, and message delivery and read information.
No mobile information will be shared with or sold to third parties or affiliates for marketing or promotional purposes. The phone numbers and consent records We collect for texting are never shared with anyone for any purpose, except the Service Providers that technically have to handle them to deliver the texts.
Consent to receive text messages is not a condition of any purchase or use of Our Service. If You consent to receive SMS from Us, You agree to receive text messages from Us related to:
Reply STOP to opt-out. Reply HELP for support. Message & data rates may apply. Messaging frequency may vary. Carriers are not liable for delayed or undelivered messages.
The Company will retain Your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use Your Personal Data to the extent necessary to comply with Our legal obligations (for example, if We are required to retain Your data to comply with applicable laws), resolve disputes, and enforce Our legal agreements and policies.
Where possible, We apply shorter retention periods and/or reduce identifiability by deleting, aggregating, or anonymizing data. Unless otherwise stated, the retention periods below are maximum periods ("up to") and We may delete or anonymize data sooner when it is no longer needed for the relevant purpose. We apply different retention periods to different categories of Personal Data based on the purpose of processing and legal obligations:
Account Information
Customer Support Data
Usage Data
Website analytics data (cookies, IP addresses, device identifiers): up to 24 months from the date of collection, which allows us to analyze trends while respecting privacy principles.
Server logs (IP addresses, access times): up to 24 months for security monitoring and troubleshooting purposes.
Usage Data is retained in accordance with the retention periods described above, and may be retained longer only where necessary for security, fraud prevention, or legal compliance.
We may retain Personal Data beyond the periods stated above for different reasons:
You may request information about how long We will retain Your Personal Data by contacting Us.
When retention periods expire, We securely delete or anonymize Personal Data according to the following procedures:
Your information, including Personal Data, is processed at the Company's operating offices and in any other places where the parties involved in the processing are located. This means that this information may be transferred to — and maintained on — computers located outside of Your state, province, country or other governmental jurisdiction where the data protection laws may differ from those of Your jurisdiction.
Where required by applicable law, We will ensure that international transfers of Your Personal Data are subject to appropriate safeguards and, where relevant, supplementary measures. The Company will take all steps reasonably necessary to ensure that Your data is treated securely and in accordance with this Privacy Policy and no transfer of Your Personal Data will take place to an organization or a country unless there are adequate controls in place, including the security of Your data and other personal information.
You have the right to delete or request that We assist in deleting the Personal Data that We have collected about You.
Our Service may give You the ability to delete certain information about You from within the Service.
You may update, amend, or delete Your information at any time by signing in to Your Account, if You have one, and visiting the account settings section that allows You to manage Your personal information. You may also contact Us to request access to, correct, or delete any Personal Data that You have provided to Us.
Please note, however, that We may need to retain certain information when We have a legal obligation or lawful basis to do so.
If the Company is involved in a merger, acquisition or asset sale, Your Personal Data may be transferred. We will provide notice before Your Personal Data is transferred and becomes subject to a different Privacy Policy.
Under certain circumstances, the Company may disclose Your Personal Data if required to do so by law or in response to valid requests by public authorities (e.g. a court or a government agency).
The Company may disclose Your Personal Data in the good-faith belief that such action is necessary to:
The security of Your Personal Data is important to Us, but remember that no method of transmission over the Internet, or method of electronic storage, is 100% secure. While We strive to use commercially reasonable means to protect Your Personal Data, We cannot guarantee its absolute security.
The Service Providers We use may have access to Your Personal Data. These third-party vendors collect, store, use, process and transfer information about Your activity on Our Service in accordance with their Privacy Policies.
We may use third-party Service Providers to maintain and improve Our Service.
Google Places
Google Places is a service that returns information about places using HTTP requests. It is operated by Google.
Google Places service may collect information from You and from Your Device for security purposes.
The information gathered by Google Places is held in accordance with the Privacy Policy of Google: https://www.google.com/intl/en/policies/privacy/
The Service is not directed to, and We do not knowingly collect Personal Information from, anyone under the age of 16.
If You are a parent or guardian and You believe Your child has provided Us with Personal Information, please contact Us. If We become aware that We have collected Personal Information from anyone under the age of 16, We will take steps to remove that information from Our servers as soon as reasonably possible.
Some countries and states set a higher age at which an individual can consent to the processing of their own Personal Information. Where We rely on consent as a legal basis and the law applicable to a User sets an age higher than 16, We may require the consent of that User's parent or guardian before We collect and use their Personal Information.
Our Service may contain links to other websites that are not operated by Us. If You click on a third-party link, You will be directed to that third party's site. We strongly advise You to review the Privacy Policy of every site You visit.
We have no control over and assume no responsibility for the content, privacy policies or practices of any third-party sites or services.
We may update Our Privacy Policy from time to time. We will notify You of any changes by posting the new Privacy Policy on this page.
We will let You know via email and/or a prominent notice on Our Service, prior to the change becoming effective and update the "Last updated" date at the top of this Privacy Policy.
You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.
If You have any questions about this Privacy Policy, You can contact Us:
By email: azabokennedy09@gmail.com
By visiting this page on Our Website: academicstrata.com/contact
Last updated: November 03, 2026
Please read these terms and conditions carefully before using Our Service.
The words whose initial letters are capitalized have meanings defined under the following conditions. The following definitions shall have the same meaning regardless of whether they appear in singular or in plural.
For the purposes of these Terms and Conditions:
Affiliate means an entity that controls, is controlled by, or is under common control with a party, where "control" means ownership of 50% or more of the shares, equity interest or other securities entitled to vote for election of directors or other managing authority.
Country/State refers to: Uganda
Company (referred to as either "the Company", "We", "Us" or "Our" in these Terms and Conditions) refers to Academic Strata.
Device means any device that can access the Service such as a computer, a cell phone or a digital tablet.
Service refers to the Website.
Terms and Conditions (also referred to as "Terms") means these Terms and Conditions, including any documents expressly incorporated by reference, which govern Your access to and use of the Service and form the entire agreement between You and the Company regarding the Service. These Terms and Conditions have been created with the help of the Terms and Conditions Generator.
Third-Party Social Media Service means any services or content (including data, information, products or services) provided by a third party that is displayed, included, made available, or linked to through the Service.
Website refers to Academic Strata, accessible from www.academicstrata.com
You means the individual accessing or using the Service, or the company, or other legal entity on behalf of which such individual is accessing or using the Service, as applicable.
These are the Terms and Conditions governing the use of this Service and the agreement between You and the Company. These Terms and Conditions set out the rights and obligations of all users regarding the use of the Service.
Your access to and use of the Service is conditioned on Your acceptance of and compliance with these Terms and Conditions. These Terms and Conditions apply to all visitors, users and others who access or use the Service.
By accessing or using the Service You agree to be bound by these Terms and Conditions. If You disagree with any part of these Terms and Conditions then You may not access the Service.
You represent that you are over the age of 18. The Company does not permit those under 18 to use the Service.
Your access to and use of the Service is also subject to Our Privacy Policy, which describes how We collect, use, and disclose personal information. Please read Our Privacy Policy carefully before using Our Service.
Our Service may contain links to third-party websites or services that are not owned or controlled by the Company.
The Company has no control over, and assumes no responsibility for, the content, privacy policies, or practices of any third-party websites or services. You further acknowledge and agree that the Company shall not be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use of or reliance on any such content, goods or services available on or through any such websites or services.
We strongly advise You to read the terms and conditions and privacy policies of any third-party websites or services that You visit.
The Service may display, include, make available, or link to content or services provided by a Third-Party Social Media Service. A Third-Party Social Media Service is not owned or controlled by the Company, and the Company does not endorse or assume responsibility for any Third-Party Social Media Service.
You acknowledge and agree that the Company shall not be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with Your access to or use of any Third-Party Social Media Service, including any content, goods, or services made available through them. Your use of any Third-Party Social Media Service is governed by that Third-Party Social Media Service's terms and privacy policies.
Free guides can be downloaded by anyone. Each premium guide costs $1 (US dollars) and is paid through PayPal. After We confirm Your payment, We unlock that guide for Your account, usually within a day. Premium guides are digital downloads, so payments are generally non-refundable once a guide has been unlocked. If a file is faulty, We will fix or replace it. You may use premium guides for Your own study only, and You may not copy, resell or share them.
We may terminate or suspend Your access immediately, without prior notice or liability, for any reason whatsoever, including without limitation if You breach these Terms and Conditions.
Upon termination, Your right to use the Service will cease immediately.
Notwithstanding any damages that You might incur, the entire liability of the Company and any of its suppliers under any provision of these Terms and Your exclusive remedy for all of the foregoing shall be limited to the amount actually paid by You through the Service or 100 USD if You haven't purchased anything through the Service.
To the maximum extent permitted by applicable law, in no event shall the Company or its suppliers be liable for any special, incidental, indirect, or consequential damages whatsoever (including, but not limited to, damages for loss of profits, loss of data or other information, for business interruption, for personal injury, loss of privacy arising out of or in any way related to the use of or inability to use the Service, third-party software and/or third-party hardware used with the Service, or otherwise in connection with any provision of these Terms), even if the Company or any supplier has been advised of the possibility of such damages and even if the remedy fails of its essential purpose.
Some states do not allow the exclusion of implied warranties or limitation of liability for incidental or consequential damages, which means that some of the above limitations may not apply. In these states, each party's liability will be limited to the greatest extent permitted by law.
The Service is provided to You "AS IS" and "AS AVAILABLE" and with all faults and defects without warranty of any kind. To the maximum extent permitted under applicable law, the Company, on its own behalf and on behalf of its Affiliates and its and their respective licensors and service providers, expressly disclaims all warranties, whether express, implied, statutory or otherwise, with respect to the Service, including all implied warranties of merchantability, fitness for a particular purpose, title and non-infringement, and warranties that may arise out of course of dealing, course of performance, usage or trade practice. Without limitation to the foregoing, the Company provides no warranty or undertaking, and makes no representation of any kind that the Service will meet Your requirements, achieve any intended results, be compatible or work with any other software, applications, systems or services, operate without interruption, meet any performance or reliability standards or be error free or that any errors or defects can or will be corrected.
Without limiting the foregoing, neither the Company nor any of the company's provider makes any representation or warranty of any kind, express or implied: (i) as to the operation or availability of the Service, or the information, content, and materials or products included thereon; (ii) that the Service will be uninterrupted or error-free; (iii) as to the accuracy, reliability, or currency of any information or content provided through the Service; or (iv) that the Service, its servers, the content, or e-mails sent from or on behalf of the Company are free of viruses, scripts, trojan horses, worms, malware, timebombs or other harmful components.
Some jurisdictions do not allow the exclusion of certain types of warranties or limitations on applicable statutory rights of a consumer, so some or all of the above exclusions and limitations may not apply to You. But in such a case the exclusions and limitations set forth in this section shall be applied to the greatest extent enforceable under applicable law.
The laws of the Country/State, excluding its conflicts of law rules, shall govern these Terms and Your use of the Service. Your use of the Application may also be subject to other local, state, national, or international laws.
If You have any concern or dispute about the Service, You agree to first try to resolve the dispute informally by contacting the Company.
If You are a European Union consumer, you will benefit from any mandatory provisions of the law of the country in which You are resident.
You represent and warrant that (i) You are not located in a country that is subject to the United States government embargo, or that has been designated by the United States government as a "terrorist supporting" country, and (ii) You are not listed on any United States government list of prohibited or restricted parties.
If any provision of these Terms is held to be unenforceable or invalid, such provision will be changed and interpreted to accomplish the objectives of such provision to the greatest extent possible under applicable law and the remaining provisions will continue in full force and effect.
Except as provided herein, the failure to exercise a right or to require performance of an obligation under these Terms shall not affect a party's ability to exercise such right or require such performance at any time thereafter nor shall the waiver of a breach constitute a waiver of any subsequent breach.
These Terms and Conditions may have been translated if We have made them available to You on our Service. You agree that the original English text shall prevail in the case of a dispute.
We reserve the right, at Our sole discretion, to modify or replace these Terms at any time. If a revision is material We will make reasonable efforts to provide at least 30 days' notice prior to any new terms taking effect. What constitutes a material change will be determined at Our sole discretion.
By continuing to access or use Our Service after those revisions become effective, You agree to be bound by the revised terms. If You do not agree to the new terms, in whole or in part, please stop using the Service.
If you have any questions about these Terms and Conditions, You can contact us:
By email: azabokennedy09@gmail.com
By visiting this page on our website: academicstrata.com/contact
Questions, feedback or want to contribute a guide? Get in touch.
Kampala, Uganda. We also support students online.
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