Privacy Policy
Last updated: September 6, 2026 • Effective immediately
CoordinateGrid.com was built specifically for students and classroom education. You do not need to create an account, register an email address, or enter any personal identifying information to use any part of this website.
1. Information We Do NOT Collect
We strictly do not collect:
- Names, student IDs, home addresses, or telephone numbers.
- School rosters, student grades, or homework submissions.
- Biometric, precise geolocation, or financial payment details.
2. Local Browser Storage (Client-Side Only)
CoordinateGrid.com stores minor user interface preferences strictly inside your local browser storage (HTML5 LocalStorage). This data never leaves your device:
- Sound Mute Preference: Whether audio feedback is toggled on or off.
- Practice Streak & Score: Your current session points and difficulty settings.
- Grid Settings: Last selected grid bounds or quadrant focus mode.
You can clear this data at any time by clearing your browser cache or cookies.
3. Student Privacy (COPPA & FERPA)
We are committed to complying with the Children's Online Privacy Protection Act (COPPA) and the Family Educational Rights and Privacy Act (FERPA):
Because our service does not collect, store, or share any personally identifiable information from children or students under 13, teachers and schools can freely incorporate CoordinateGrid.com into their curricula without requiring parental consent forms for data sharing.
4. Standard Web Server Logs & Analytics
Like almost all websites, our web hosting servers automatically record basic technical request information (such as anonymized IP addresses, browser user-agent types, referring pages, and timestamps) solely for DDoS defense, site reliability monitoring, and diagnostic troubleshooting. We do not sell or monetize this data.
5. Feature Request Submissions
If you choose to submit a feature request via our Feature Request page, any information you provide (such as feedback description or optional email address) is used strictly to evaluate your idea and, if requested, notify you when the feature is shipped. We never sell or share submitted emails.
6. Changes to this Policy
We may update this privacy policy from time to time. Any changes will be posted on this page with an updated revision date.
Contact Us Regarding Privacy
If you have any questions, concerns, or requests regarding this Privacy Policy, please contact our team at:privacy@coordinategrid.com.