

The most correct answer so far is Win11 IoT. But there’s a good chance it won’t have enough “windows” for your school needs.
If you’re just trying to get work done and not trying to stick it to the man with the purity test that this thread seems to insist upon, you can install normally and force an offline user. (Microsoft keeps threatening to kill this capability, it still worked last time I tried early last year.)
Then run Chris Titus debloat utility before you set up anything else.
If you don’t have a registration, you can activate it with massgrave.dev.




Woah TIL that because I’m admin, I’m self hosting an entire enterprise of nearly 50,000 users.