Online Alumni Networks
There are a number of virtual alumni databases and groups for you to use to stay connected to FIRST and keep on top of all of the awesome things going on:
Alumni Clubs at University/College
Many Canadian post-secondary schools also have FIRST alumni clubs; check out this google spreadsheet to see if there is an alumni club at your school and get involved!
If you are looking to start a FIRST alumni group at your school, take a look at this best practices document to help you get started.