The school district opened in 1966, a consolidation of the Bono, Cash, and Egypt School districts. In 1975, the Westside High School obtained accreditation from
AdvancED (formerly North Central Association). In 1994, the Westside Elementary School obtained accreditation from AdvancED. In 1997, the Westside Middle School obtained accreditation from AdvancED. James Dunivan served as superintendent beginning in 2000, and served as such until 2004, when he took that job at the
Nettleton School District. James P. Best, previously the superintendent of the
Heber Springs School District, replaced Dunivan. On
April 2, 2025 a tornado hit the school, causing moderate property damage on the campus. ==1998 Westside Middle School shooting==