We use KeePass with 2 special config .XML file. One for student with a lot of restriction and another one for teatchers.
Database , stored on server , file is copied localy when teatcher log off their session. So they can use it at home.
Hello
You can buy an hitachi projector and an adaptor plate. WBAUF1 - SMART? Retrofit Adapter Plate
And you can connect USB cable direct to you computer to use the touch capacity