When using your college email, to get help in the window you're working in, click the help (?) icon on the toolbar.
how-to overviews of OWA 2010 and Office 365 Student Webmail
To quickly add your classes or other appointments to your email calendar:
You should now see that class in your calendar. If your classes happen at different times on different days, you’ll need to create an Appointment for each day and set them to repeat.