I found some advice on how to coast in school… how to get by with a minimum amount of work:
Know the minimum requirements for what is considered "doing your homework." If you just have to write a line or two for a question, write that.
If someone else's class is before yours with the same teacher, ask to see their quizzes or tests, if the teacher gives them out early.
If you get the annoying assignment of reading and taking notes, only do the reading. Then copy someone else's notes in school or something. Not that hard. (Wiki-How “How to Coast in School Easily)
The temptation is to coast in our faith. You can only coast downhill.