One of the fastest way to modify and contribute In SchoolOS.

You can submit bugs - http://code.google.com/p/schoolos/issues/list
You can download schoolOS source code and apply your configuration -
http://wiki.schoolos.org/index.php?title=Create_SchoolOS(Ubuntu_based)_using_UCK
If you are a Linux User and you want new feature (mainly User Interface and Usability aspects) then feel free to contact me. If you have any simple idea of improving Linux then please mail us.

Thanks

By- Narendra Sisodiya