If you are seeing a "Site Blocked" message or experiencing slow loading times on Classroom 15x, it means your local network is limiting traffic. To bypass these restrictions, please use one of our officially maintained Mirror Nodes below.
These sites are our most powerful servers. They are fully synchronized with our game database and support high-performance WebGL gaming.
Main Network Hub: Classroom Unblocked Games
Educational Mirror: EZ Classwork
Gaming Hub: The Pizza Edition
Lite Proxy: ubg98.io
Use these alternative "Classroom" and "UBG" nodes if the primary hubs are restricted. We recommend rotating between these URLs to avoid detection.
| Server ID | Link | Optimization |
| Node 10x | classroom10x.io | ? Ultra Lite |
| Node 20x | classroom20x.net | ? Stable |
| Node 30x | classroom30x.io | ? Stable |
| Node 6x | classroom6x.website | ? Stealth |
| Emergency | ubg911.net | ? Emergency |
1. Use Different Extensions
School filters often block specific endings like .com or .net. If classroom15x.net is down, try our .io or .top mirrors listed above.
2. The "Hard Reload" Trick
If a game screen remains black, your browser might be trying to load an old, blocked version of the file. Press Ctrl + Shift + R to force the browser to fetch a fresh version from our mirror.
3. Mask Your Activity
Our mirrors include a Tab Cloaker. Check the top navigation for the "Settings" or "Mask" icon to change your browser tab to look like Google Docs or Wikipedia.
The Classroom 15x mission is to provide students with a safe, lag-free environment for gaming during breaks. By distributing our traffic across 30+ unique domains, we ensure that the "Unblocked" community stays active even when major hubs are targeted by firewalls.
Pro-Tip: If you find a working mirror, share the URL with your friends quickly! We rotate these links every week to stay ahead of network filters.