Classlink has posted an update indicating that the issues have been resolved. Please see the ClassLink status page for additional details.
Posted Apr 07, 2021 - 09:56 CDT
Identified
We are aware of reports that ClassLink Single Sign-On (SSO) is not accessible for some customers. ClassLink has acknowledged the issue and we are actively monitoring their progress towards a resolution. Please check the ClassLink status page if you would like more details concerning this issue: