The Boise School District #1, is a comprehensive public school district in Boise, Idaho. The district was founded in 1865 under the auspices of Idaho Territory. Formerly the largest school district in the state, it now ranks second to the adjacent West Ada School District #2, which administers several schools in western Boise. Peak enrollment in the Boise School District was reached in 1997 at 27,070.The Boise School District #1 is the second-oldest school system in Idaho. The oldest is in Lewiston, founded three years earlier by the Washington Territory government.The district has the highest tax rate of any in the State of Idaho, nearly double that of the Meridian School District (West Ada School District #2).SchoolsHigh SchoolsTraditionalFour senior high schools, grades 10–12, IHSAA class 5A, Southern Idaho Conference Boise High School - (1902, 1882 as Central School)Borah High School - (1958)Capital High School - (1965)Timberline High School - (1998)
