It's possible you'll check in both using the "Sign up with ClassLink" option to sign in to each ClassLink and Backpack, or by utilizing the "Sign up to Backpack Only" solution and coming into your district username/e-mail and password. To inquire what your district email and password are, you should https://fernandosxazz.total-blog.com/the-definitive-guide-to-backpack-58969565