Caldwell Independent School District was officially established as a public school district in 1923 and serves the northern and western portions of Burleson County. In 1990, Caldwell ISD became the largest school district in the county that serves approximately 1,800 students and is comprised of four campuses: Caldwell Elementary (PK-3rd), Caldwell Intermediate (4th-6th), Caldwell Junior High School (7th-8th), and Caldwell High School (9th-12th). The district also has a District Alternative Education Program and an Alternative Center of Education.
Caldwell ISD is the home of the Hornets. The official colors are Texas orange and white.
Texas UIL classifies Caldwell ISD Hornets as a 3A district.