An Online High School Diploma may be your ticket for graduating high school as well as your springboard to a first-rate education. Having a high school diploma. Boost your academic experience by attending free online high school at Connections Academy. Explore the benefits of our fully accredited virtual high school. Earn your high school diploma online on your own time, with the nationally and regionally accredited Penn Foster High School Education Program. Enroll today!. My son's goal is pursue snowboarding at the highest level. An Online High School Diploma may be your ticket for graduating high school as well as your springboard to a first-rate education. Students can enroll anytime and have up to one year to complete their coursework. There are three types of graduation options to choose from: Minimum of 24 credits are required to graduate with a Standard diploma and 26 credits for an Advanced diploma.