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. - Source: Wikipedia