While the following recommendations will help protect your Chromebook, they will not protect against every circumstance. Protection that stays on the Chromebook at all times will work best. Computer sleeves and slipcovers are therefore not recommended (although better than nothing) because there is no protection when they are taken out. 

Here are some recommended always-on cases available through Amazon:

For those that would like to do more searching you your own, our current student model is the Dell Chromebook 11 3180.