After careful monitoring we've determined that this issue has been resolved.
If students continue to appear as offline after following all of the troubleshooting steps here:
https://help.goguardian.com/hc/en-us/articles/115005669643-Student-s-Screen-Says-Student-Offline- , please have students navigate to chrome://restart on their browsers.
If students continue to appear as offline after following these steps, please contact support at
support@goguardian.com. We apologize for any trouble these recent issues have caused and are working around the clock to improve reliability and ensure stability.