When creating your Parchment Account for Western Sierra:
Use your personal email account.
Do not use a parent email address or your school email address!
This way you are able to access your WSCA Parchment account after you graduate.
See document on Parchment FAQs
How can I combine and merge my two accounts into one?
How do I merge an institution account into my existing account?
How do I link another email to my account?