For students who may be having trouble accessing a site or having a weird chromebook issue, please have them try resetting their Chrome browser using the following steps:
How to reset an account on a Chromebook
While logged into your chromebook open up google.
Click on the 3 dots in the upper right hand corner
Scroll and select Settings
Scroll to the bottom and click Advanced
Scroll to the bottom again and click restore settings to their original defaults
Then click Reset Settings
To screenshot the entire screen:
To select a portion of screen: