 The fourth year of high school is not required for students who have completed all the requirements for graduation and are attending a post secondary institution.Students must earn Mathematics 4 credits, Social Studies 4 credits, English credits, Science 3 credits, Computer - 0.5 credit, Physical Education 1.5 credits, Health .5 credits, Driver Education 0.5 credits and Electives 8 credits.By law, all Pennsylvania secondary school students must complete a project as a part of their eligibility to graduate from high school.