Yes, however, supported mobile devices will vary per campus. Please contact your college help desk to see which devices they support. For general information on getting Google Apps on your device, see Mobile Users.
Yes. depending on which devices your campus supports, calendar and contacts sync are available for iPhone, Android, Windows Mobile, and BlackBerry devices. Users can download the sync tool from the Google Mobile Support site.
Yes, you can enable mobile notifications in Google Calendar (U.S. only). For details, see the Google Help Center .