Taken from Sethbling's Freeze Tag world https://www.youtube.com/watch?v=_LHIj4TbHag I have made it compatible with 1.6.4 MinecraftEdu.
One person is IT (RED) they have to freeze the other players in GREEN by taping them and freezing them in place and turning them BLUE. When all have been tapped a new person is IT.
Turn on night mode to make them hide in the dark.
There is a Staffroom for teachers to hit "Reset" and a "Make Another User IT" button to help speed the game
Version 1.1 - Auto, full health on all players has been added to stop children being able to kill the person who is it. Tested on version Stable 20.
Feedback would be great.