Chances are you'll check in both using the "Sign in with ClassLink" choice to check in to both equally ClassLink and Backpack, or by using the "Sign in to Backpack Only" option and moving into your district username/e mail and password. To inquire what your district email and password are, https://beaudxtkp.digitollblog.com/33546372/5-tips-about-bags-you-can-use-today