I notice you're asking about "Pokemon Brick Bronze" — a popular fan-made Roblox game that was taken down by Nintendo due to copyright infringement several years ago.
How to play:
The harsh truth: There is no official "unblocked" version hosted on Roblox. Any link claiming to take you to the official Roblox page will result in a 404 error or a "Game unavailable" message. pokemon brick bronze unblocked full
For school "unblocked" access:
Attempting to bypass school network filters may violate your school's IT policy. If you want Pokemon-style gameplay on a restricted network, consider offline alternatives like portable emulators + ROMs (only for games you legally own). I notice you're asking about "Pokemon Brick Bronze"