The school 'makes every effort' [=the school does all that it can] 'to help' new students become adjusted to college life.
His novel's surprise ending is not really convincing, but we'll give him 'an A for effort'.
He wanted to contribute in some way to the 'war effort'. [=to the effort to win the war]
(..) No, no, no. Police...sort of! Thanks, mate. Thanks a lot! I can prove that you created an entirely false identity. Oh, just kill yourself. It's a lot less effort. Go on. For me. Please! You're insane. You're just getting that now? (..)2012 TvShow: Sherlock Title: The Reichenbach Fall Season: 2 Episode 3