It is possible to save Phrogram files to a networked drive, yes, by modifying the path in the Phrogram.ini file - look for that in the Phrogram install folder.

I am worried, though, about the other setting in the INI file, which will depend on how strict DeepFreeze is. Phrogram does compiliation and building into temporary files when the user runs a program - and at the moment, that temporary building needs to be in folders on the local hard disk.  If DeepFreeze allows the Windows user temporary directories to be written to, or if you can configure DeepFreeze to allow one specific folder to be writable, then this will allow Phrogram to run in your school. If you have questions or would like further help about this, please feel free to mail me at jons@phrogram.com.