Wilmer–Hutchins Independent School District (WHISD) was a school district in southern Dallas County, Texas serving the cities of Wilmer and Hutchins, a portion of Dallas (the district was last headquartered at 3820 East Illinois Avenue in Dallas ), and a small portion of Lancaster. The district served urban, suburban, and rural areas. Some unincorporated areas with Ferris addresses were served by WHISD. It closed in 2006 and was absorbed by the Dallas Independent School District.