Terms of use

Last updated: 17 October 2026.

• edubun is provided free of charge, as is, for learning. We work to keep it accurate, but lessons can contain mistakes. Please check important facts against the sources listed.
• Health, safety, legal and test-preparation material is general information, not professional advice. The U.S. citizenship course is practice material and is not affiliated with USCIS.
• You may use the lessons for personal study and in classrooms. Please do not copy whole courses to another website.
• Openly licensed material used in lessons keeps its own licence, noted where it is used.
• We may change or remove content and features at any time.