If i sprained my ankle and go to the doctors and they say to stay off of it should i still go to school or stay home and rest?

An industrious person would find a pair of crutches and follow their normal routine, unless you were specifically told to stay at home with your leg in the air.

I agree with Dr Ferguson A pair of crutches would allow mobility. However, you need to be fitted and instructed on the use of crutches. You should also have a structured rehab program to protect yourself from reinjury . If the treating doctor did not provide this information you might need to consider other options. Sports medicine Podiatrist or orthopedic surgeon.