Use the restored Classroom6x during appropriate times (like breaks or study halls) to avoid getting the new link blocked again. If the site works for you, don't spam the link to everyone in the school at once—network spikes are the fastest way to get a site flagged by school IT admins.
If you are staring at a "Site Blocked" screen or a game that won't load, try these : 1. Use the "Mirror Site" Strategy classroom6x google sites fixed