Homework and study skills

Homework can ruin a school year for you.
I have a friend who had so much homework that she never got to have a lot of time to hang out with friends. I would come up with a system where you work until you can't concentrate or till it is time for a break then get a snack or call a friend for about 30 mins. or so, then start working again. it works for me but you should experiment with different tecniques.