Harts Bluff Independent School District (HBISD) is a public school district in Titus County, Texas (USA). The district is surrounded by the Mount Pleasant Independent School District.
HBISD's single campus, Harts Bluff Elementary, serves students in grades kindergarten through eight. Students in grades nine through twelve attend Mount Pleasant High School or Chapel Hill High School.
The school mascot is a bulldog. The school colors are blue and gold.
In 2009, the school district was rated "recognized" by the Texas Education Agency.