All these things - and more - must be on every infowall

1. Goals / Vision / Mission of the Institution - especially in regards to what the children and their parents can expect
2. The classes with names/mascot and the teachers working in each class
3. The other personell which works there, their roles etc. 
4. Emergency information (nearest medical support, management phone number, etc.)
5. Security information like opening hours, protocol
6. If there is Wifi, then that information; if the wifi has rules (like no personal stuff) than this must be public
7. ...