Help with wifi filter bypassing

Is this the place for network questions? Sorry if is isn't, in which case I'd galdly accept a redirection to another subreddit

So basically our school wifi doesn't allow access to a lot of websites and apps, and I doubt it's manual blocking since I've tried some obscure unknown websites but they don't work either

Things that do work: YouTube and Webtoon (even download!), whatsapp, twitch, google search, some news websites...

Things that don't work: Wikipedia, most tachiyomi extensions, fandoms, …

privacy wifi