zs_highschool_v4
Newer version of zm_tx_highschoolbeta7 or something
+ More props
+ Music
+ New areas (including a pool, and a lounge area)
+ More materials
+ New pathways
+ Bell sounds
+ Graduation system
+ Better garage top
+ Free weapons
+ Secret weapon
+ Most of rooms have doors
+ Windows are no longer breakable
+ Better Theater
+ Added 3D skybox
+ Removed the room with 10,000 health windows
+ Balanced as possible
+ And more
http://steamcommunity.com/sharedfiles/filedetails/?id=491915008