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Our students learn in the format that fits their unique needs and learning styles—through interactive, multimedia-rich Keystone Standard Online Courses and Keystone Plus Online Courses, which come with an increased level of support, or through our paper-based Correspondence Courses.
Whether they enroll full-time for a high school diploma or part-time to supplement their current education, we understand how to support students in grades 9 through 12 toward successful results. Keystone gives students the skills they need to achieve their unique goals. Our graduates find success in college, trade school, the military, the performing arts, and the workforce—anywhere their dreams take them. Students often look to Keystone online high school to take courses that aren’t available at their school, to challenge themselves with Advanced Placement® Courses, to solve scheduling conflicts, or to recover credits.
There is no age limit for enrolling in Keystone High School, but students must have completed 8th grade or be age appropriate by providing proof student is at least 14 years old at the time of enrollment. Students can enroll anytime and have up to one year to complete their coursework.
Find out more about our core, elective, and advanced course options, Keystone Plus courses with additional support and placement exams. ►
Learn more about tuition for standard, Keystone Plus and correspondence courses. ►
Review requirements for a Keystone diploma for grades 9-12. ►
Get more details about Keystone's accreditation and accrediting organizations that validate Keystone quality. ►
Find out how to transfer high school or homeschool credits into Keystone.►
Have younger children? Learn more about our complete middle school curriculum. ►
Do you have children that need to catch up on middle or high school credits? We can help. ►
Learn more about K12’s 50+ online courses and hands-on materials available for young learners in grades K-5.
Local tennis star achieves the net result she wants through Keystone’s flexible program. Read More >>
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" I got a 5 on my AP test, and a lot of my friends didn’t do as well and claimed that their teachers didn’t teach enough. I don’t think I... Read More >>
(My son's) goal is pursue snowboarding at the highest level. This involves a lot of travel, since you need to be where the competitions are and where... Read More >>