If you are leaving Blythewood High, you likely will want to backup or migrate your data to access it in the future.
Before you leave campus at the end of the year:
You will not have access to your H drive. Save any files from your H drive that you want to keep. You can:
Students before July 1:
Faculty/Staff before your last day:
You can copy files from many Google services with Google Takeout
Your Google Apps and Gmail account will follow you to your new location. You do not need to backup anything.