- Keystone National High School
 - Offers an accredited distance education programme for grades 9-12. - Calvert School
- Day school with home study courses providing a planned, structured curriculum.
- Oak Meadow School
- Publishes homeschool curriculum materials that respect the spirit of children while helping them achieve academic excellence.
- Laurel Springs School
- Dedicated to providing online and home schooling to K-12 children.
- Internet Home School
- Online K-12 instructional service for home schoolers.
- Allied National High School
- Accredited high school that provides programmes through distance education.
- Garden Schools
- Services include Christian residential school, family camp, K-12 Internet homeschool curriculum, and more.
- Home School Academy
- Offering curriculum, support, and testing services.
- Adison High School
- Accredited, online high school offering diploma programmes for students in the U.S. as well as other countries.
- Charter Annex
- Offering online courses and resources to California charter schools and home schooling families.
- Continental Academy: High School Degree Completion Programs
- Provides online high school diploma completion programmes.
- Dalloway High School
- Provides online high school diploma programmes that is accepted across the U.S.A.
- MUST High School - Online Homeschooling Program
- Offers accredited, self-paced, and self-study distance learning online high school diploma programme.
- Nation High School Diploma
- Offers accredited high school diploma for working adults, home school students, and GED seekers.
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