Wonderland High is the central location of Wonderland and high school of the residents from before their realm was poisoned. It is mentioned in A Wonderlandiful World and Yearbook: A Hexciting Year at Ever After High. The White Queen was a faculty member there before fleeing to Ever After with the other residents lucky enough to escape. She and the students transferred to Ever After High soon after. Courtly Jester is Wonderland High's current vice-principal and school is only held one day a year.
All the children of characters of Alice's Adventures in Wonderland and Through the Looking-Glass, and What Alice Found There either were students or can be assumed to have been students. They are:
- Courtly Jester - Principal/vice-principal/student body president
- White Rabbit - Courtly Jester's personal herald
- Red Knight/Chase Redford - Attendance officer
- White Queen - Former staff member
- Tweedle Dee and Tweedle Dum - Debate class teachers
- Carpenter - Cafeteria crew
- Walrus - Cafeteria cook
- March Hare - Teatime 101 teacher
- Fish - Fishlosophy 101 teacher
- Owl - Cowlculus teacher
- Red Rook - Chess teacher
- Red Queen - The Leader of Chess board's red side
- Catterpillar - Court Judge
- Mockturtle - Detention Guard
- It is currently unclear what Humphrey Dumpty's status is in regards to his role in Through the Looking-Glass, and What Alice Found There and therefore if he too was a student at Wonderland High or not.
- A trademark for Cari Pillar probably represents other Wonderland High ex-students.
- The White Queen's role as a staff member at Wonderland High is currently unknown.