If you use the Google Calendar app on your iPad or phone you will need to remove your @idahocom.org email first.
Tap on your profile picture (or initial) in the upper right and then select "Manage your Google Account" in the pop-up window.
Select "Remove from this device"
Select "Remove" to verify that you want to remove your account and all the data associated with it.
Select "Sign In" to add your @icom.edu calendar
Type in your @icom.edu email address and then select "Next." On the next window type in your Jumpcloud password.