What are the player limits for students?

Free version:

• Student Basic (free) version supports up to 20 players per game.
• The basic young student (U.S.: under 13; elsewhere: under 16) version supports up to 50 players per game.

Paid subscriptions:

• The Kahoot!+ Study subscription supports up to 50 players per game.
• The Kahoot!+ Study Premium supports up to 100 players per game.
• The Kahoot!+ Study Max supports up to 200 players per game.

You can read more about player limits here.