Find the Best Online High School: Accredited Programs for Teens Worldwide
A high school diploma is only as valuable as the accreditation behind it. For teens and families evaluating online options — whether in the US, abroad, or frequently moving — the right program needs to combine recognized credentials, real teachers, and enough flexibility to actually work around your life. We compared five of the top online high schools.
TL;DR
- Legacy Online School: WASC-accredited US private school with 14+ AP courses, College Board approval, two diploma pathways, and live instruction. From $149/month.
- Connections Academy: Free Cognia-accredited public high school in 31 states. Solid graduation pathway with certified teachers.
- Laurel Springs School: WASC + Cognia dual-accredited private school. 240+ courses, AP Capstone, dual enrollment, and a strong college placement record.
- Excel High School: Cognia-accredited, self-paced. NCAA-approved. 2026 Cognia School of Distinction award.
- ASU Prep Digital: Cognia-accredited, live hybrid program with concurrent university enrollment through Arizona State University.
Legacy Online School
Legacy Online School is a fully WASC-accredited K–12 private school designed for teens who need a recognized, rigorous diploma without sacrificing flexibility. The high school program includes 14+ College Board–approved AP courses, honors tracks, and a dual enrollment pathway through Arizona State University. Two diploma options are available: Standard (24 credits) and Accelerated (18 credits). Key features include:
- Accreditation: WASC, Florida DOE registered, College Board approved, NCAA-approved coursework
- Class Format: Live group classes, one-on-one instruction, or self-paced — students can switch between formats
- Curriculum: Core subjects, 14+ AP courses, honors, STEM, electives, and virtual clubs. IEP and ELL support available.
- Diplomas: US-accredited diplomas recognized by colleges and universities worldwide
- Support: Personal Learning Support Specialist; college and SAT/ACT prep guidance included
- Cost: From $149/month. Accepts state scholarships in Florida, Arizona, West Virginia, Arkansas, Alabama, Maine, Oregon, and others
Legacy is one of the few programs at this price point that offers live daily instruction, AP access, and a dedicated support specialist for every student — all under the same WASC accreditation. International students benefit from year-round open enrollment and time zone flexibility.
→ Explore Legacy’s online high school
Connections Academy
Connections Academy is a Cognia-accredited tuition-free online public high school available in 31 US states. Students work with certified subject-area teachers, have access to counselors for college guidance, and can choose from dozens of electives and online clubs. The program is rigorous and meets the same graduation standards as traditional public schools.
Available only to US residents in supported states.
- Accreditation: Cognia
- Cost: Free (public, state-funded)
- Best For: US students in supported states who need a free accredited diploma pathway with real teacher support
Laurel Springs School
Laurel Springs is a WASC and Cognia dual-accredited private school with a well-established college-prep high school program. It offers 240+ courses including AP, honors, and the AP Capstone Diploma — one of the most advanced options available in online K-12 education. Dual enrollment begins in 9th grade through the Academy program, and college counselors are assigned from the moment a student enrolls.
The program is primarily asynchronous with coursework accessible 24/7, making it one of the most time-zone-flexible options for international and mobile families.
- Accreditation: WASC + Cognia (dual)
- Cost: ~$9,900/year (standard); ~$15,700/year (Academy)
- Best For: Self-directed teens targeting selective universities, and international families needing 24/7 access
Excel High School
Excel holds multiple Cognia regional accreditations and earned a 2026 Cognia School of Distinction award. Its high school program is 100% self-paced, with NCAA-approved core courses, AP offerings, and dual enrollment through university partners. Credit recovery and adult diploma pathways are also available.
The program suits highly motivated independent learners. Students who need daily structure and live teacher accountability will find it challenging without strong self-discipline.
- Accreditation: Cognia (NCA, SACS, NWAC, Middle States Association)
- Cost: Low monthly tuition
- Best For: Self-directed students, student-athletes, and adults seeking an accredited diploma on their own schedule
ASU Prep Digital
ASU Prep Digital offers a hybrid live + async high school program backed by Arizona State University (ranked #1 in innovation nationally). The curriculum is designed for college readiness and career preparation, with concurrent enrollment allowing students to earn university credits while still in high school. A Learning Success Coach is assigned to each student.
Free enrollment is available to qualifying Arizona students. Out-of-state and international pricing varies.
- Accreditation: Cognia
- Cost: Varies; free for qualifying Arizona students
- Best For: Teens who want live instruction and a direct pipeline to university credit, particularly in Arizona
Quick Comparison: Top 5 Online High Schools
| School | Accreditation | Type | Cost |
|---|---|---|---|
| Legacy Online School | WASC | Private | From $149/mo |
| Connections Academy | Cognia | Public (31 states) | Free |
| Laurel Springs School | WASC + Cognia | Private | ~$9,900–$15,700/year |
| Excel High School | Cognia (multiple) | Private | Low monthly |
| ASU Prep Digital | Cognia | Public/Private | Varies |
Choosing the Right Online High School
Connections Academy is the strongest free option for US students in supported states. Laurel Springs suits college-bound, self-directed teens who need maximum academic rigor. Excel works well for independent learners managing their own schedules. ASU Prep Digital is strongest for Arizona students seeking live instruction and university credit.
For teens who need live instruction, AP access, a recognized diploma, and real support — at a price accessible to most families — Legacy Online School delivers the best overall combination. WASC accreditation, College Board–approved AP courses, and broad state scholarship acceptance make it viable both in the US and internationally.
