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.
Bishop Kelly High School is a private Roman Catholic secondary school in Boise, Idaho, operated by the Diocese of Boise. One of two Catholic high school in the state of Idaho, its school colors are black and gold and the mascot is a knight.
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.
Mountain View High School is a four-year public secondary school, located in Meridian, Idaho. Opened twenty-one years ago in the fall of 2003, it is the fourth of six traditional high schools in the West Ada School District (#2) and serves its southern portion. The school colors are Navy Blue, Kelly Green, and White, and the mascot is the maverick.
Timberline High School is a three-year public secondary school in Boise, Idaho. Opened in August 1998, it is the fourth and newest traditional high school in the Boise School District, serving its southeast portion. Originally opened as Les Bois Junior High in 1994, it was expanded and the junior high was rebuilt at a different location. The school colors are royal blue, silver, and black and the mascot is a wolf.
Century High School is a four-year public secondary school in Pocatello, Idaho, United States. Opened in 1999, it serves the southeast portion of the Pocatello/Chubbuck School District #25, and is the newest of the district's three traditional high schools.
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.
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.
Bonners Ferry High School is a four-year public secondary school in Bonners Ferry, Idaho. The only traditional high school in the Boundary County School District #101, it serves all of Boundary County, the northernmost in the state. The approximately 500 students come from an area larger than the state of Rhode Island. The school colors are navy blue and white and the mascot is a badger.
Caldwell High School four-year public secondary school in Caldwell, Idaho, the only traditional high school in the Caldwell School District #132. The building is on South Indiana Avenue near the corner of Ustick Road, across from the local YMCA. The school colors are blue, white, and gold and the mascot is a cougar.
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 Shane Carson. 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.
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.
Fruitland High School is a four-year public secondary school in Fruitland, Idaho, the only traditional high school in Fruitland School District #373. One of three high schools in Payette County in southwestern Idaho, FHS had an enrollment of 494 in the 2011–2012 school year.
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.
