Centennial High School (Idaho)
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. The school colors of Centennial are maroon and silver, and its mascot is a patriot. Demographics. The demographic breakdown of the 1,701 students enrolled in  2013-14 was: 31.1% of the students were eligible for free or reduced lunch. Athletics and activities. Among the largest schools in the state, it competes in athletics and activities in IHSAA Class 5A in the Southern Idaho Conference (5A) (SIC). State titles. Boys Girls Combined