Pick a field

Your path

One small step at a time.

0 of 0 done

Right now

Loading…

checking…

Code Lab · Python a shared scratchpad — same code no matter which lesson you're on

Python code

Output

Press ▶ Run to see what your code does.

Feeling stuck?

Message your teacher

What your teacher remembers

A good teacher knows you. Tell yours a little, and it'll weave your world into the lessons and remember you across every field.

What should your teacher call you? Anything about you (hobbies, interests, what you find hard)

Forget everything your teacher knows about you? This can't be undone.

Your roadmap

Stage 1 is built into Class of One. Everything after that is up to you.

◆

Welcome to Class of One

Somewhere right now there's a kid who's curious about computers — but their school has no computer-science teacher, and no one to ask when they get stuck. Talent is everywhere. Access isn't.

I built this to be the teacher they don't have, so no one stays locked out of an entire field just because of where they happened to grow up. If that's you: welcome. Let's open some doors.

New here? Want a quick 30-second tour of how it works?