Teacher
Create a class
No names are entered anywhere. Each child gets a code. Keep the list that matches codes to names on paper.
Class 7 children are under 13, so Class 7 never gets an AI chat.
Create a challenge link (online, no classroom)
One link for school students who join alone on their own phones, with no teacher in the room. Each student says which class they are in and gets a random code; no name, phone number or email is ever asked. Every skill is open, proofs are always open, there is no wait after a missed proof, and there is no AI chat.