None
There are many services that are offered to users on CDPoker's website. A couple of things that this website allows users to do is enroll into a casino school and play online poker tournaments.
go to icarly.com
Not as far as I know!
you can go to "some school games.com" and play btd5 their
chesscube.com
Only if the school had not already blocked that website
You can play Happy Wheels on websites like Coolmath Games or Crazy Games, which often host browser-based games that are unblocked in many school networks. Just search for "Happy Wheels" on these sites, and you should be able to play without issues. However, always check your school's policy on gaming during school hours to ensure you're following their guidelines.
yes school of duel.com
none, there are dirty elements
get the minecraft.exe from the minecraft website
That would depend on how your school's network is configured. Each school is different.
Pottermore allows you to duel with other members.