College Board Bluebook App
Bluebook is installed on all US student chromebooks.
To open:
1) Sign out of the chromebook by clicking the red Sign out button in the bottom right of the taskbar
2) You will now see an "Apps" button - click that and then click "Bluebook" to launch the app

3) To exit Bluebook, hold down the power button until you see the option to "Sign Out" - click that to exit.
Bluebook can also be launched from the main sign in page as well.