Edit Your Network / Google Account 
While logged into the computer at school

     » Use: CTRL + ALT + DEL

     » Select the option to RESET PASSWORD

     » Enter your current password

     » Enter your new password and, enter it a second time
this should change both your NETWORK Password and your GOOGLE G Suite password.

   If you have difficulties, please submit a
HELP DESK IT Request Ticket

   Use the Forgot Password Option as needed.