Tbc login differences than wotlk

So i play in two places.
School and home
and i play WOTLK and TBC

At home Both let me login
At school Wotlk lets me login and TBC wont (stays on loading toons and dced me)

Anyone tell me if im doing something wrong or i need to change something?

First off, if you're at school, you shouldn't be playing games.

Second, the network admin could block you from logging in.

I think that your network admin is blocking you too, I had the same problem a few years ago, but with all the expansions.

Well i broke the school laptop trying to get it to work lol