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Classwise AI Privacy Policy

Last Updated: October 5, 2026

Thank you for visiting Classwise AI. This Privacy Policy explains how Classwise AI, Inc. ("Classwise AI," "we," "us," or "our") collects, uses, and shares information when you visit classwise.ai or use our services as an educator, school official, or student ("Services").

1. What This Policy Does and Does Not Cover

This Privacy Policy applies to website visitors, educators, and students who interact with the Services.

This policy covers "Student Data," including student identifiers, assignments, submitted work, feedback, scores, grades, and Student Tutor messages and generated responses. Where Classwise AI and a school or district have executed a Data Processing Agreement (DPA), that agreement additionally governs Student Data. The DPA is available at Classwise AI Data Processing Agreement (DPA).

Where the DPA gives greater protection than this policy, the DPA controls. Nothing in the DPA reduces any commitment we make here.

1A. FERPA and COPPA Compliance

We process Student Data to provide grading, feedback, and Student Tutor.

Where a school relies on FERPA’s school-official exception, processing must remain under its control and within its authorized educational purposes. Student Tutor collects information directly from students. Use involving children under 13 requires an appropriate school-authorization or parental-consent basis under COPPA.

Institutional DPAs define permitted use, access, retention, and deletion requirements. This Privacy Policy also covers Student Data processed through accounts without an institutional DPA.

Educators may use all Services features, including Student Data uploads, LMS integrations, and Student Tutor. A DPA applies where Classwise AI and a school or district have executed one.

1B. Who Owns the Data

You and your school or district own all data you provide to, or generate through, the Services. This includes your account information, the rubrics and comments you write, the feedback saved to your account, and all Student Data. Classwise AI claims no ownership of it and acquires no title or interest in it.

You grant us a limited, non-exclusive, revocable licence to host, process, transmit, and display that data for one purpose only: to provide the Services to you. The licence ends when the data is deleted. We claim no right to use it for anything else.

We do not use your data, your school's data, or Student Data to train, fine-tune, evaluate, or improve any artificial intelligence or machine learning model, whether ours or a third party's. Provider data-use and retention terms are addressed in Section 5 and Appendix A.

2. Information We Collect

A. Information You Provide to Us

We collect information that you directly provide to us when you:

Create an Account:

  • School Email

Complete Your Profile (Optional):

  • First Name
  • Last Name
  • School Name
  • Your Role (e.g., Teacher)
  • School District
  • Country, City, and State
  • Subjects Taught
  • Grade Levels Taught
  • Typical Class Size
  • Common Assessment Types
  • Primary LMS (Learning Management System) you use

Communicate With Us:

  • Contact Form: We collect your Name, Email, and the contents of your Message.
  • In-App Feedback: We collect the feedback and comments you voluntarily provide.

Make a Payment:

When payments are enabled, we will use Stripe as our third-party payment processor. We do not collect or store your full credit card information. Stripe processes your payment information on our behalf.

We also collect Student Data provided through the features described in Section 2D.

B. Information We Receive from Third Parties (Third-Party Login & LMS Integrations)

Third-Party Login: If you create or log into your account using Google or Microsoft ("Third-Party Services"), we receive the following information from them, and no other information: your Name, Email Address, and Profile Picture, as permitted by your settings on those services.

LMS Integration: If you choose to connect your account to a Learning Management System (LMS) like Google Classroom, we will receive information from that service. We receive the following and no other information: your name, email address, your LMS user identifier, the names and identifiers of the classes you teach, your class rosters (student names and LMS student identifiers), assignment titles and descriptions, and the student submissions for the assignments you choose to assess as permitted by your settings on that service. This is used solely to provide the integration.

C. Information We Collect Automatically

Product Analytics: We use PostHog to understand how users interact with Classwise AI, diagnose errors, and improve the product.

PostHog hosts and processes our product analytics and diagnostic information. Software in the Services sends this information to PostHog as you use the app.

For signed-in educators, PostHog receives account and educator profile identifiers, name, email address, pages and features used, event times, error messages, IP address, and browser and device details.

PostHog can also receive session recordings and AI processing diagnostics. These may include Student Data displayed or processed in the Services.

D. Student Data

Student Data includes student names, email addresses, LMS identifiers, class enrolment, submitted work, scores, feedback, and Student Tutor messages and generated responses.

We collect Student Data through educator uploads and connected learning management systems. We also collect it directly when students use Student Tutor, and may store their messages and generated responses with relevant assessment context. This data is covered by the retention and deletion provisions in Section 7.

3. Cookies and Tracking Technologies

We use cookies and browser storage to keep you signed in, remember preferences, and measure product use.

Functional Cookies: An authentication cookie keeps you signed in as you use the app. It is essential for the Services.

Analytics: PostHog collects product usage and diagnostic information as described above.

No Advertising Cookies: We do not use third-party advertising cookies.

Appendix B describes the main cookies and browser storage used by the Services, including their purpose, provider, and expected duration.

We use no advertising SDKs or device fingerprinting. We track interactions within our application for the purposes in Section 2C. We do not track you across other websites.

You can turn off analytics cookies at any time in your account settings, and doing so does not limit your access to any feature of the Services.

4. How We Use Your Information

We use the information we collect for the following purposes:

  • To Provide and Maintain the Services: To create your account, authenticate you, and allow you to use our platform.
  • To Process Payments: To bill you for our Services via Stripe.
  • To Communicate With You: To respond to your support requests, "Contact Us" messages, and in-app feedback. To send you service-related announcements, such as updates to our terms or services.
  • To Market to You: To send you marketing emails about new features, promotions, or other news about Classwise AI. You can opt-out of these communications at any time by clicking the "unsubscribe" link in the email. These emails go to the address on your account and are the same for every recipient. We do not use your profile information, your use of the Services, or any Student Data to segment, profile, or target you, and we share your information with no advertiser or marketing network.
  • To Improve Our Services: To understand how our users interact with our platform (using your profile data and feedback) so we can improve features, usability, and our product roadmap.
  • To Integrate with your LMS: To pull assignment and roster data from, and (if applicable) post grades back to, your connected LMS, at your direction.

We use information for the purposes described in this policy. We do not sell it, use Student Data for advertising, or use it to train or improve AI models.

5. How We Share Your Information

We do not sell your personal information. We only share it in the following limited circumstances:

  • Payment Processor: Stripe (to handle payments).
  • Application Hosting: Vercel (for our client application) and Railway (for our server application).
  • Data & File Storage: Supabase (to host your account data and saved feedback).
  • Analytics Provider: PostHog (to provide product analytics and diagnostics).
  • Email Delivery: Postmark (to deliver service and marketing emails).
  • AI Service Providers: We use the following providers to power our grading features. We only use their secure, no-training APIs: OpenAI, Google, Anthropic.
  • For Legal Reasons: We may disclose your information if we believe it is required by law, subpoena, or other legal process.
  • Business Transfers: If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

This list is complete. We share your information with no third party other than those named above, and we will not add one without first notifying you as set out in Section 12.

Appendix A sets out, for every third party we use, the exact data elements it receives, why it receives them, where it processes them, and how long it keeps them.

What we require of them

Every third party listed above has signed a written agreement imposing data protection, security, confidentiality, and deletion obligations at least as protective as those in this policy, in your school's Data Processing Agreement, and in our agreement with you. Each is prohibited from using your information or Student Data for its own purposes, from selling it, from using it for advertising, and from using it to train any AI or machine learning model. We remain responsible to you and to your school for how they handle it.

6. Data Security

We take reasonable measures to protect your personal information from loss, theft, misuse, and unauthorized access. However, no security system is impenetrable.

Encryption

All confidential and sensitive information — all personal information and all Student Data — is encrypted throughout. It is encrypted in transit using TLS 1.2 or higher, and encrypted at rest using AES-256. This applies to data held by us and to data held by every third party in Appendix A.

The specific steps we take

  • Role-based access control and least-privilege permissions, so staff can reach only the data their role requires
  • Multi-factor authentication on every internal system that can reach personal information or Student Data
  • Network isolation and separation of production from development environments
  • Annual independent penetration testing and continuous automated vulnerability scanning

If something goes wrong

If a security incident affects your personal information or Student Data, we will notify you and your school or district without undue delay and in any event within 72 hours of becoming aware of it. The notice will describe what happened, what data was involved, what we have done, and what you should do.

6A. Account Security

Password creation. Classwise AI supports email and password registration and sign-in, as well as sign-in through Google or Microsoft. The registration form requires passwords of at least 12 characters, including an uppercase letter, a number, and a special character.

Two-step authentication. Multi-factor authentication is required to access Internal Settings. Educators may also access Classwise AI through supported LTI 1.3 launches from their LMS. When you sign in through Google or Microsoft, your identity provider manages authentication under its own policies.

7. Data Retention

We retain your account information for as long as your account is active, subject to the inactive-account limit below.

  • For Individual Users: If you delete your account, we will permanently delete your personal information (as defined in Section 2) within 60 days.
  • For School Users: If your school or district ends its agreement with us, or if you or your school deletes an account, we will permanently delete that account information and all associated Student Data within 60 days. Your school's Data Processing Agreement may set a shorter period, in which case the shorter period applies. It cannot set a longer one.

Inactive accounts. If an account has not been accessed for 12 months, we will notify the account holder and then permanently delete the account and all data associated with it within 60 days.

Backups. Deletion reaches our backups. Backups are overwritten on a 14-day cycle, so every copy is gone within 60 days of the deletion request.

Analytics records. PostHog retains usage events and session recordings for periods set by our plan and configuration, as described in Appendix A.

8. Your Data Rights and Choices

Regardless of your location, we believe you should have control over your personal information. You have the following rights:

  • Access and Update: You can review and update your account information at any time by logging into your account settings.
  • Opt-Out of Marketing: You can unsubscribe from our marketing emails at any time by clicking the "unsubscribe" link.
  • Delete Your Account: You can delete your account at any time from your account settings, or by writing to us at hello@classwise.ai. Either route triggers the deletion described in Section 7.

Decline third-party sharing. Apart from the third parties strictly necessary to run the Services — hosting, storage, and, if you use the grading features, our AI service providers — you can decline sharing with any third party in Appendix A from your account settings, and keep full access to the Services. A school or district administrator can set this once for all of their users.

Advertisers. We share nothing with advertisers, so there is nothing here to opt out of. We do not sell or share personal information, as those terms are defined under California law, and we do not use or disclose it for cross-context behavioural advertising. If that ever changed we would give you 30 days' notice and a working opt-out before it took effect.

For Users in Certain Jurisdictions (e.g., EEA, UK, California):

You may have additional rights, subject to local laws:

  • Right to Access: The right to request a copy of the personal information we hold about you.
  • Right to Rectification: The right to request that we correct any inaccurate information.
  • Right to Erasure (Right to be Forgotten): The right to request that we delete your personal information.
  • Right to Restrict Processing: The right to request that we limit how we use your information.

To exercise any of these rights, please contact us at hello@classwise.ai.

We respond to these requests within 30 days and do not charge for them. The choices listed above this paragraph are available to everyone, everywhere, and do not depend on where you live.

Legal Basis for Processing (for EEA/UK Users):

If you are in the European Economic Area (EEA) or the UK, our legal basis for collecting and using your personal information is:

  • To perform our contract with you: (e.g., to create your account and provide the Services).
  • For our legitimate interests: (e.g., to respond to your inquiries, send you marketing (which you can opt-out of), and improve our Services).
  • With your consent: (e.g., if you log in via a third-party service).

9. Data Location

Classwise AI is based in the United States, and our servers are located in the United States. If you are accessing our Services from another country, please be aware that your information will be transferred to, stored, and processed in the U.S.

10. Do Not Track

Some browsers offer a "Do Not Track" (DNT) signal. Because we do not track you across websites and neither serve nor permit advertising, there is no cross-site tracking for a DNT signal to switch off. We honour Global Privacy Control (GPC) signals as a valid request to opt out of any sharing of personal information.

11. Children's Privacy

Students may interact directly with features of the Services, which collect information they provide and process it with relevant assessment context. Student Data is covered by this policy for all accounts and by a DPA where one has been executed. The authorization requirements for children under 13 are described in Section 1A.

If we learn that a child’s personal information was collected without required authorization, we delete it within 30 days and notify the relevant school or educator. Parents and guardians may request access or deletion through their school or educator, or contact hello@classwise.ai.

11A. Advertising

No third-party advertisements. We display no third-party advertisements or sponsored content in the Services. Our own educator marketing emails are described in Section 4.

No student advertising. We do not use Student Data for advertising or marketing. Educator email audiences may be selected as described in Section 4; we do not use personal information for cross-context behavioural advertising.

No third-party ad tracking. No third party tracks or collects information about you or your students through our Services for advertising. We use no ad networks, no advertising partners, no advertising cookies, and no cross-site tracking.

No ad tracking technologies. We use no advertising SDKs or device fingerprinting. Product analytics is described in Section 2C;

Nothing goes to advertisers. We share no data with any advertiser or ad network. We do not sell or share personal information for cross-context behavioural advertising. This applies to you automatically; you need do nothing to claim it. To confirm it in writing, contact hello@classwise.ai.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. If we make significant changes, we will notify you by email or through the Services.

Adding, replacing, or removing any third party in Appendix A is always a significant change. We will tell you by email and in the Services at least 30 days before such a change takes effect, and we will hold the incoming third party to the same data protection terms as the one it replaces.

13. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Classwise AI, Inc.

hello@classwise.ai

Appendix A — Third parties we use

Referenced by Sections 1B, 3, 5, 6, 8, 9 and 12.

Third partyData it receivesWhyWhereHow long it keeps it
StripeName, email, billing address, payment card details (entered directly with Stripe)Processing subscription paymentsUSFor the service term and longer where payment or legal rules require; no fixed public period
VercelIP address, request metadata for the client applicationHosting the web applicationUSRuntime logs: 30 days
RailwayAll data processed by the server application in transit through itHosting the server applicationUS90 days
SupabaseAccount information, profile fields, saved feedback, uploaded submissions, Student DataDatabase and file storageUS14 days backups
PostHogAccount and educator profile identifiers, name, email, usage events, errors, session recordings, AI diagnostics, IP/browser/device details; potentially Student DataProduct analytics and error diagnosticsUS30 days
OpenAISubmission text or images and grading context, including rubrics; submitted material may contain student identifiers.Generating scores and written feedbackUSAbuse logs: up to 30 days
GoogleSubmission and grading context; for Student Tutor, the student’s first name, score, feedback, submission context, and messages.Generating scores, feedback, and Student Tutor responsesUSGemini API prompts, context, and outputs: 55 days for abuse monitoring
AnthropicSubmission text or images and grading context, including rubrics; submitted material may contain student identifiers.Generating scores and written feedbackUSInputs and outputs generally deleted within 30 days
PostmarkRecipient names and email addresses, email content, delivery status, and newsletter open and link-click eventsDelivering service and marketing emails; measuring newsletter engagementUS45 days

Appendix B — Cookies and browser storage

Referenced by Section 3.

Cookie or storage keyPurposeWhoseLastsEssential?
sb-*-auth-token (and numbered chunks)Keeps you logged in as you move around the appClasswise AI domain (Supabase Auth)Up to 400 days in browser; session may end soonerYes — the Services cannot run without it
sb-*-auth-token-code-verifierCompletes secure sign-inClasswise AI domain (Supabase Auth)Removed after sign-in; up to 400 days if incompleteYes
Classwise preference keys (local storage)Remembers your interface preferencesClasswise AIUntil cleared; some settings expire soonerNo
ph_*_posthogStores identifiers for analytics and session replayClasswise AI domain (PostHog SDK)30 days, refreshed on useNo