Platteville High School is the only high school in the Platteville School District in Platteville, Wisconsin.

Garnet Valley High School is a four-year public school in Glen Mills, Pennsylvania.

Corvallis High School is located in Corvallis, Montana.

Cannon Falls High School is located in Cannon Falls, Minnesota.

Holicong Middle School (grades 7-9) is part of the Central Bucks School District in Bucks County, Pennsylvania.

Lafayette High School is a public high school in Lexington, Kentucky that has been open for 85 years.

Celina High School is a public high school located in Celina, Texas.

Haslett High School is a public high school located in Haslett, Michigan.

Latin School of Chicago is a private elementary, middle, and high school located in the Gold Coast neighborhood on the Near North Side of Chicago, Illinois.

Saint Mary's Hall is a private college preparatory school in San Antonio, Texas. Saint Mary's Hall admits students from Montessori to Form 12.

Moody High School is a four-year public high school in the Birmingham, Alabama suburb of Moody.

Reservoir High School is a public high school in Fulton, Maryland.

Coventry High School is a public high school located in Coventry Township, near Akron, Ohio.

Orange High School is a public high school located in Pepper Pike, Ohio, an eastern suburb in the Greater Cleveland metropolitan area of Northeast Ohio.

Penta Career Center is a Public Vocational High School and Adult Education center located in Perrysburg Township, Wood County, Ohio, that opened operation in 1965.

Swanton High School is a public high school in Swanton, Ohio.

Ottawa Hills High School is a public high school in the village of Ottawa Hills, Ohio, just west of Toledo.

Westfield Senior High School is a comprehensive public high school located in Westfield, in Union County, New Jersey, serving students in ninth through twelfth grades as the lone secondary school of the Westfield Public Schools.

St. Paul's School for Girls is an independent college-preparatory school in Brooklandville, Maryland, founded in 1959 to replace an older girls' school which had been closed.

Westford Academy is the public high school for the town of Westford, Massachusetts. It was incorporated in 1792 and is one of the oldest public high schools in the United States.