Legal

Privacy Policy

Last updated: April 2026

Plain-English summary: we keep your data safe, we don't sell it, and you can delete it anytime.

1. Information we collect

When you create an account, we collect:

  • Name and email address (required)
  • Encrypted password (never stored in plain text)
  • Class, board, school, city, state (from onboarding)
  • Subjects you choose to practice

As you use the Service, we collect:

  • Math problems you submit (text and images)
  • Your attempts and answers
  • Topics you've practiced and your accuracy per topic
  • Chat messages with the Classy tutor

2. How we use your data

We use your data to:

  • Personalize your learning experience (weak topic detection)
  • Provide the Service (grading, practice generation, tracking)
  • Improve the Service in aggregate, anonymized form
  • Respond to support requests
  • Send service-related emails (never marketing spam)

3. What we DO NOT do

  • We never sell your data. No advertising, no third-party data brokers, no resale.
  • We never share individual student data with teachers, schools, or parents without your explicit opt-in.
  • We never use your data to train public AI models.

4. Third parties

To provide AI tutoring, we send your math problems and chat messages to Anthropic (the Claude API). Anthropic's privacy policy applies to that data while in transit and during processing. Anthropic does not train their models on your data by default under our API agreement.

5. Your rights

You have the right to:

  • Access all data we hold about you
  • Correct inaccurate information
  • Request deletion of your account and all associated data
  • Export your data in a portable format
  • Withdraw consent at any time by deleting your account

To exercise any of these rights, email privacy@classmate.ai. We'll respond within 7 days.

6. Data retention

We keep your data as long as your account is active. When you delete your account, we permanently remove all personal data within 7 days, except where retention is required by law (e.g., billing records for taxation).

7. Children's privacy (COPPA / DPDP)

Classmate AI is designed for students aged 13 and above. For users under 18, we require parental consent during account creation. We do not knowingly collect data from children under 13. If we learn we have collected such data, we will delete it immediately.

8. Contact us

Questions about our privacy practices? Email hello@classmate.ai or visit our contact page.