Chances are you'll check in both using the "Check in with ClassLink" option to sign up to the two ClassLink and Backpack, or by using the "Sign in to Backpack Only" possibility and getting into your district username/e mail and password. To inquire what your district email and password are, https://reidjbkwn.frewwebs.com/34261823/5-essential-elements-for-backpack