You should receive an invitation email or join code from your teachers. Follow their directions to join the Google Classrooms for your classes.
To receive Guardian Summaries from your students' Google Classrooms, please contact your students' teachers to be added. Once you've been added to one class, your email address will be linked to your student and you will receive summaries for all classes with Guardian Summaries enabled. Please read below for more information about Guardian Summaries.