National Louis University is a private university with its main campus in Chicago, Illinois. NLU also has locations near Chicago as well as in Tampa, Florida. Many courses and programs are also offered fully or partially online.

Frederick Douglass High School, first established in 1923 as Marlboro "Colored" High School and renamed Frederick Douglass High School in 1935, is a public high school located in Upper Marlboro, Maryland.

Old Saybrook High School is a secondary school located in Old Saybrook, Connecticut.

21st Century Cyber Charter School (21CCCS) is a Pennsylvania chartered, diploma granting school serving Pennsylvania students in grades 6 through 12. As with all charter schools, we are funded by the Commonwealth of Pennsylvania.

Downingtown High School East is located in Exton, Pennsylvania.

Academy of the Canyons is a public middle college high school in Santa Clarita, California. The school, which enrolls students from 9th to 12th grade, is part of the William S. Hart High School District.

Charlotte Catholic is a diocesan high school in Charlotte, North Carolina, founded in 1955. The school is accredited by the Southern Association of Colleges and Schools. It is located in the Roman Catholic Diocese of Charlotte.

Northside Health Careers High School is a magnet school in San Antonio's Northside Independent School District for students who are interested in pursuing a career in the health professions. HCHS attracts students from school districts all across Bexar County and some from as far as Hondo, Texas.

Greenwich Academy is an independent, college-preparatory day school for girls in Greenwich (Fairfield County), Connecticut.

Holy Trinity Episcopal Academy in Melbourne, Florida is an Episcopal coeducational college-preparatory school for grades preschool – 12th.

Redwood High School is a public secondary school located in the city of Larkspur, Marin County, California, approximately 11 miles north of San Francisco. Redwood High is part of the Tamalpais Union High School District.

The Baccalaureate School for Global Education is a New York City public high school located in the Astoria section of Queens, New York. BSGE was established in 2002.

Cranston High School West is a public high school located in Cranston, Rhode Island.

Noble Academy is an independent day school in Greensboro, North Carolina. The school exclusively serves students with diagnosed learning disabilities or learning differences such as Attention Deficit/Hyperactive Disorder or Central Auditory Processing Disorder.

Greenhill School is a co-educational day school in Addison, Texas. The school was founded in 1950 by Bernard Fulton. The 78-acre campus is located 12 miles north of downtown Dallas, Texas. 

Phillips Academy Andover is a co-educational university-preparatory school for boarding and day students in grades 9–12, along with a post-graduate year. The school is in Andover, Massachusetts, 25 miles north of Boston.

The Lawrenceville School is a coeducational, preparatory school in Lawrenceville, New Jersey. Lawrenceville is a member of the Eight Schools Association, Ten Schools Admissions Organization, and a former member of the G20 Schools group.

Brebeuf Jesuit Preparatory School is a Jesuit college-preparatory school on the northwest side of Indianapolis. Founded in 1962, the school is named in honor of Jean de Brébeuf, a French saint from the 17th century.

Mitchell High School is a public high school located in Mitchell, South Dakota. 

First Flight High School is a public high school serving grades 9–12. The school was established in 2004, and is located in Kill Devil Hills, North Carolina on the Outer Banks of North Carolina.