What other Google Apps can you use on your iPhone? Visit Google's iPhone Help Center.
To set up the Mail app on an iOS device (running iOS 6, iOS 7, or iOS 8) with your Saint Mary's Google Apps account: Detailed steps provided by Google can be found here, but if you're comfortable setting up your iOS device with minimal instruction, please try the following:
To set up the Calendar app on an iOS device (running iOS 6, iOS 7, or iOS 8) to view secondary and shared Google Apps calendars: The setup of an iOS device with Google Apps (see the instructions above) will only display your primary Google Apps calendar (the one designated with your name under My Calendars). To have your additional calendars and shared calendars appear on your iOS device, please try the following: