Play any type of Game at Y8.com. The biggest Game Collection to play free online. Flash, Unity 3D, Html5, Android, Java and Shockwave.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
If you cannot go the the Monster High School yourself, the closest thing that you can do is to make a backpack that is designed with the characters from this school. Use the decorations and make the coolest and the trendiest Monster High backpack in this game.