Scheduling Internet Access on the Mac

Scheduling Internet Access on the Mac

I'm a student with a Mac laptop on which I take notes. My school has an
Internet network. I get distracted during class.
I found this wonderful Mac app called SelfControl, but activating and
deactivating it multiple times a day is a real drag.
Is there a way I can schedule SelfControl, or otherwise schedule Internet
accessibility, using an AppleScript or otherwise, in order to keep me on
track during class? Preferably the solution should be just as "desperate
Internet addict"-proof as is SelfControl.
(Full Disclosure: I authored this post during Accounting 1 class.)