- 3DLearn Interactive Academy - Offers accredited 7-12 distance learning in a interactive 3D virtual reality school.
- Abaertern Academy - Online school for grades 3-12. Accredited in Montana. Offers a diploma program.
- ABBA Homeschool Academy - Christian distance learning for homeschoolers.
- Abbington Hill School - E-mail correspondence school, offering national and New Jersey state correlated curriculum and counselor support.
- Alabama Online High School - Accredited program for students grades 9-12 in Alabama. This school allows registration by Alabama students for courses not otherwise offered at their local schools. Also accepts homeschooled Alabama students.
- Alger Learning Center and Independence High School - Correspondence school offering K-12 courses. Provides for custom curriculum if requested. Washington state accredited.
- Babbage Net School - A New York based virtual school for middle and high school students. Offers a complete diploma program.
- Benjamin Franklin High School - Offers program to earn a high school diploma from home.
- Blueprint Education - An accredited distance learning school for grades 7-12 with both online and correspondence courses. Educational services for curriculum design, charter schools, homeschooling, distance learning and driver’s education.
- Bridgeway Academy - Provides full homeschool curriculum and correspondence teaching for grades K-12. Also offers online learning options.
- Calvert School - Provides homeschool curriculum for elementary and middle school students.
- Center for Distance and Independent Study - University of Missouri - Online and Independent Study Courses for grades 3-12. Offers a diploma program.
- Christa McAuliffe Academy - Provides complete selection of online classes in grades K-12. Accredited in Washington.
- Citizens' High School - Complete program of correspondence courses at the high school level. Accredited in Florida.
- Clintondale Virtual Schools - Provides full online high school diploma program for grades 9-12. Accredited in Michigan.
- Clonlara School - Alternative school, homeschooling internet distance education elementary and high school diploma program enrolling families worldwide.
- Compuhigh - Distance learning high school, serving the home school community, and public school districts, with online courses and an accredited degree program since 1994.
- Cool School - Online courses for Oregon middle and high school students. Not a full curriculum or diploma program, but many courses offered.
- Dennison Online Internet School - High school distance learning program for English literate students worldwide.
- Desiderata School Inc. - Desiderata offers K-12 programs both online and through traditional correspondence, as well as local programs in Colorado and Wyoming. Currently serving students in over a dozen states and three countries.
- Eagle Christian - An internet school offering a complete high school and junior high school program over the internet.
- Escondido Tutorial Service - Correspondence Christian tutoring and study guide service for homeschooled high school students.
- Evergreen Internet Academy - An online school which offers a full curriculum to middle and high school students. A Washington state diploma program is available.
- Francis Virtual High School - Online school for grades 9-12. Students have access to a full curriculum and a New York state diploma program.
- Future's International High School - Provides a college preparatory academic program supported by real-time online individualized instruction.
- Global Village School - A distance-learning diploma program. Online and text-based curriculum promoting peace, understanding, and respect for all.
- Indiana University High School Diploma Program - Program offers correspondence courses for students grades 9-12. A full curriculum is offered as is an Indiana accredited high school diploma.
- Internet Home School - Direct online K-12 instruction in all subjects specializing in concurrent and early college enrollment.
- John Adams High School - High school diplomas for homeschoolers awarded through testing.
- Keystone National High School - Providing a blended correspondence-based independent study curriculum with internet-based home education. KNHS and e-school supports home schooling, alternative education and online curriculum.
- Kolbe Academy - A Catholic school which caters to students grades K-12. Offers full print based curriculum for parents who homeschool their children. Also offers an on-site school setting for children in California.
- Laurel Springs School - Private distance-learning school for K-12 children.
- Liberty High School - Offers program for adults seeking to complete their high school education, approved by the Vermont State Department of Education.
- Louisiana State University High School - Program through Louisiana State University. Offers online and traditional correspondence courses for students in grades 9-12. A Louisiana accredited diploma is awarded upon completion of program.
- Mother of Divine Grace School - A Catholic school which provides K-12 curriculum and support for parents who homeschool. This is an accredited, diploma granting institution located in California.
- North Atlantic Regional High School - Located in Lewiston Maine, offers consultation, tutorial services, college planning and home schooling.
- North Dakota Division of Independent Study - North Dakota certified online and traditional correspondence program for grades K-12. An accredited diploma is awarded upon completion of program.
- North Texas Academy - A distance education program for those desiring to complete high school and earn a diploma. A teacher monitors all work and assignments are sent every two weeks.
- NorthStar Academy - A private Christian on-line school offering programs of study based on the USA, Canadian, and UK curriculum models.
- OU Independent Learning High School - The University of Oklahoma Independent Learning High School offers students grades 9-12 the opportunity to earn an accredited high school diploma via correspondence and online courses.
- Pearblossom Private School - Traditional correspondence and online school for grades K-12. Offers a California diploma upon completion of program.
- Plano Home School Academy - Correspondence school for students grades K-8. Accredited in Arizona. Students who complete this program may transfer into the partner high school, North Texas Academy.
- Plano ISD eSchool - Online high school courses accredited in the state of Texas.
- St. Thomas Aquinas Academy - A Catholic, classical liberal arts program for the independent homeschooling family, grades K through 12. Independent private school registered with the State of California.
- Texas Tech Independent School District - Offering a correspondence program for students K-12, culminating in a high school diploma.
- The Jubilee Academy - A Christian online and correspondence curriculum for students grades K-12. Offers a Pennsylvania accredited diploma.
- The Mesa Distance Learning Program - Offers online schooling to 7-12th graders. A full curriculum is available. Students are awarded an Arizona accredited diploma upon completion of program.
- University fo Texas at Austin High School - University of Texas at Austin; offers distance education for K-12 students, college students, and adult learners. High School Diploma Program available.
- Waterford Academy - K-12 correspondence courses and diploma program for homeschooled students.
