Preston High School is a four-year public secondary school in Preston, Idaho, the only traditional high school in the Preston School District #201. The school colors are blue, white, and gold and the mascot is a Native American.
Centennial High School is a four-year public secondary school in Boise, Idaho. Although located in Boise, it is part of the West Ada School District; at the time of its construction, CHS was in unincorporated Ada County. The West Ada district's second of five traditional high schools, Centennial opened in 1987 and serves neighborhoods in northwestern Boise and northeastern Meridian. The centennial of Idaho statehood was observed in 1990.
Capital High School is a three-year public secondary school in Boise, Idaho, United States. Opened in the fall of 1965, it was the third of four public high schools constructed in the Boise School District, and serves its northern portion. The other high schools are Boise (1902) in the east, Borah (1958) in the southwest, and Timberline (1998) in the southeast.
Meridian High School is a four-year public secondary school within the West Ada School District located in Meridian, Idaho, comprising grades 9–12.
Highland High School is a four-year public secondary school in Pocatello, Idaho, part of the Pocatello/Chubbuck School District#25. The school colors are red, black, and white and its mascot is a ram.
Wood River High School is a public secondary school in Hailey, Idaho, one of two traditional high schools operated by the Blaine County School District #61. Wood River High School serves the communities of Bellevue, Hailey, Ketchum, and Sun Valley, all in the valley of the Big Wood River, Wood River Middle School, and Wood River High School. and the current campus opened in August 2003. The school colors are green and white and the mascot is a wolverine.
Blackfoot High School is a four-year public secondary school located in Blackfoot, Idaho, the only traditional high school in the Blackfoot School District #55 in south central Bingham County.
Idaho Falls High School (IFHS) is a four-year public secondary school in central Idaho Falls, Idaho, USA. The current building opened in 1952, though the school itself has been in operation since 1897. Idaho Falls is the older of the two traditional high schools, the other is Skyline, in the Idaho Falls School District#91. The school colors are orange and black and its teams are the Tigers; the mascot is known as Tigger.
Nampa High School is a four-year public secondary school in Nampa, Idaho, the oldest of three high schools operated by the Nampa School District #131. The school colors are red white and blue and the mascot is a bulldog.
Skyview High School is a four-year public secondary school in Nampa, Idaho. Opened in 1996, it is the second of three traditional high schools operated by the Nampa School District #131. Skyview is on a block schedule, with students taking 4 classes on A day and 4 classes on B day.
Vallivue High School is a four-year public secondary school in Caldwell, Idaho, United States, and one of two traditional high schools in the Vallivue School District. Opened 61 years ago in 1963, the school's campus is between Caldwell and Lake Lowell on the corner of Montana and Homedale roads. The current principal is Kellie Dean. The school colors are brown and gold to represent the school's rich agricultural tradition, and its mascot is a falcon.
Bonneville High School is a four-year public secondary school near Idaho Falls, Idaho. Northeast of the city, it opened in 1951 and is the original high school of the Bonneville Joint School District #93, which consolidated ten smaller districts east of Idaho Falls. The original building for high school was turned into a junior high in 1977 when the current Bonneville High School was built. A second traditional high school in the district opened in 1992, Hillcrest in Ammon. In 2018 a third high school was opened, Thunder Ridge. The school colors are green and gold and the mascot is a bee. Current enrollment is approximately 1,400. In 1950 the vote was put forward to bring together 10 little schools, some of them were Iona, Lincoln, Ammon, and Ucon. It passed however there was not a school for them to attend. The school that had the largest building at the time was Ammon so the high school students would attend there until a building could be built. The first class attended 1951 - 1952. As with some of the other new schools, the first graduating class could nominate the colors and mascot. The colors of a favorite football team was nominated, Green Bay Packers. In 1957 the "new" high school was built. It is the current Rocky Mountain Middle School. The students outgrew the high school and did split sessions in the 1970s while a new high school was being built next door. The first class to graduate from the current building was 1978.
Lake City High School, sometimes referred to as Lake City or LCHS, is a four-year public secondary school in Coeur d'Alene, Idaho. The second high school in the city, LCHS opened in 1994 and draws from the southern and western areas of the Coeur d'Alene school district. The school's colors are navy blue, silver, and teal, and its mascot is the Timberwolf, which students commonly refer to as T-Wizzy.
Jerome High School is a four-year public high school located in Jerome, Idaho, the only traditional high school operated by the Jerome Joint School District #261. The school colors are black and orange and the mascot is a tiger.
Sugar-Salem High School is a four-year public secondary school in Sugar City, Idaho, the only traditional high school of the Sugar-Salem Joint School District #322 in Madison County. The school colors are royal blue and white and the mascot is a digger, a reference to sugar beet cultivation.
Madison High School is a three-year public secondary school in Rexburg, Idaho, the county seat of Madison County. It is the only traditional high school in the Madison School District #321, which includes Rexburg and the majority of the county. The school colors are red, white, and gray, and the mascot is a bobcat.
Rocky Mountain High School is a four-year public secondary school in Meridian, Idaho, west of Boise. Opened in the fall of 2008, it is the fifth major high school in the West Ada School District. As of 2015, Rocky Mountain has had the largest enrollment in the state, beating out neighboring rival Mountain View. The school colors are purple, black and silver and the mascot is a Grizzly bear.
Coeur d’Alene High School is a four-year public secondary school in Coeur d'Alene,, Idaho, the oldest secondary school, with its current building at 5530 North Fourth Street built in 1968-1969. It is one of the two traditional high schools in the Coeur d'Alene School District #271. It serves the northeastern half of the district, with students from the cities of Coeur d'Alene, Dalton Gardens, Hayden, and a portion of unincorporated Kootenai County. The school colors are Blue and White and the C.D.A.H.S. mascot is a "Viking" and the athletic teams are named the "Vikings".
Minico High School, also known as Minidoka County High School, is a four-year public secondary school in unincorporated Minidoka County, Idaho, with a Rupert postal address, operated by the Minidoka County Joint School District #331. The school colors are red and gold and the mascot is a Spartan.
Post Falls High School is a public secondary school in located in Post Falls, Idaho. Established in 1912, the current campus of PFHS opened 24 years ago in 2000; it is the only traditional high school in the Post Falls School District. After four failed bond attempts, the $18 million levy passed by two votes in March 1998. The school colors are black and orange and the mascot is a Trojan.
