Updated list with all the available Robloxian High School codes valid to redeem rewards like coins and more, but they don’t last too much, so be fast
These are all the expired codes so far, as you can see there are a lot of rewards, but you can only claim them if you are fast and if you check lists like ours
Go to the shop (down right corner of the screen), click on Redeem code (down right corner of the window), and type the code you want to redeem. If you have any doubt check this video from the youtuber Gaming Dan:
There are a lot of games with tons of codes to redeem, so if you are interested in other Roblox game, just check the list below, or find it in the full list of Roblox Games, here