Harbor City International School, also known as Harbor City or HCIS, is a charter secondary school in Duluth, Minnesota, that opened in fall 2002. 

Grand Island Senior High is a high school in the Grand Island Public Schools system in Nebraska. The official mascot is the Islander, a tall man in a tropical grass skirt.

Hawthorne Math and Science Academy is a state charter high school in Hawthorne, California. It is part of the Hawthorne School District.

Tuckahoe High School is a historic high school located in Eastchester, Westchester County, New York. It was built in 1930–1931, and is a three-story brick building with Aztec-inspired cast stone trim in the Art Deco style.

Archbishop Coleman F. Carroll High School is a private high school in The Hammocks, Dade County, Florida, that was opened in 1998. Sponsored by the Roman Catholic Archdiocese of Miami, it is accredited through the Southern Association of Colleges and Schools.

Montwood High School is a four-year public high school located in the East El Paso area of El Paso, Texas. It is a part of the Socorro Independent School District.

Lebanon High School is the sole high school in the Lebanon School District in New Hampshire. Ranging from grades 9–12, students are from the city of Lebanon and the towns of Grantham and Plainfield. The mascot for the LHS Raiders is commonly called the "Raider Bird."

South Lafourche High School is a public secondary school in the Galliano census-designated place, an unincorporated area in Lafourche Parish, Louisiana.

Southeast High School is a high school in Oklahoma City, Oklahoma that opened in 1950. The school closed in 1990, but was reopened and remodeled in 1994 as a magnet school with an emphasis on four new technology programs.

Berwick Academy is a college preparatory school located in South Berwick, Maine. Founded in 1791, it is the oldest educational institution in Maine and one of the oldest private schools in North America.

Smithtown High School East is located in St. James, New York.

Castilleja School is an independent school for girls in grades six through twelve, located in Palo Alto, California. Castilleja is the only non-sectarian all-girls middle and high school in the San Francisco Bay Area.

Somerville High School is a four-year comprehensive public high school serving students in ninth through twelfth grades from Somerville and Branchburg Township in Somerset County, New Jersey.

David S. D'Evelyn Junior/Senior High School is a public secondary school near Lakewood, Colorado.

Broward Virtual School offers full-time and part-time enrollment to students in grades K-12 through an online educational delivery system. Home educated students in grades 6-12 may enroll part-time as well. BVS offers students the opportunity to earn a standard high school diploma entirely online.

Franklin High School is a public high school located in Seattle, Washington and administered by Seattle Public Schools.

Attleborough High School is a public high school located in Attleboro, Massachusetts.

Homewood High School is a public high school, serving grades 9-12, in the Homewood, Alabama suburb of Birmingham. It is the only high school in the Homewood City School System.

Earl L. Vandermeulen High School, also referred to as Port Jefferson High School, is in the Port Jefferson School District, located in Port Jefferson, New York.

Downtown Magnets High School is an alternate magnet high school located in the Temple-Beaudry neighborhood near Downtown Los Angeles. The school belongs to the Downtown/MacArthur Park Community of Schools and houses three magnet programs: Business, and Electronic Information, and the International Baccalaureate.