Stanford Online High School is a highly selective independent school offering courses for grades 7–12, where dedicated teachers help talented students Admissions · Take the Tour · Courses · Academics Expand. The Keystone School offers flexible education programs for high school, middle school and elementary school. Learn more about The Keystone School today!. K12 provides nearly high school courses designed to help each student find his or her own path and follow it to post- high school success—whether that's in High School Online Course List · High School Sample Lessons. Credit Recovery Looking to earn credits? In addition to over 50 online high school courses, students can access dual college credit courses. Mizzou K allows students to choose between a general diploma program or a college prep diploma program, as well as their Mizzou Direct Diploma Program, which guarantees qualified graduates admission to the University of Missouri. Meeting the needs of online students, the school provides high quality courses, an experienced, professional staff, licensed and certified instructors, and academic advisors. By finishing, it has allowed me to go to the college of my choice. Payment plans are available and depend on the courseload and the amount due. North Central Association of Colleges and Schools NCA , Southern Association of Colleges and Schools SACS , and Commission on International and Trans-Regional Accreditation CITA. Tuition is calculated by academic year for programs and by credit for supplemental courses. They attend seminars and prepare necessary work documents, like resumes and cover letters. Payment plans are available…please contact the school for more information. Need a better grade or recover credits? Best of all, you can choose between online and physical textbooks for the same low price. Self-paced… Five to 52 weeks to complete a course. Request Information Online Events Enroll Now Contact Us Getting Started. Payment plans are based on an initial down payment which is standard, plus 4 monthly installments. Parents are encouraged in their role as an active educator through an extensive parent network and staff support. Calvary offers two distinct high school programs, online school and independent study.