You could always set up an empty (or one with a specific application, eg. one of the
example projects) project and instruct students to open that when welcome screen
opens in Creator. You could use a Win script to open Creator, and there is an option
to check off that will open the last workspace.
I am sure Cypress would help to find a way to silently install PSoC Creator on multiple PC's.
I think the best way to resolve this is to create a case: Support > Technical Support > Create a Case