Cedar Hill Independent School District (CHISD) is a public school district based in Cedar Hill, Texas, United States. The district superintendent is Maria Gamell.
Cedar Hill ISD serves 36 square miles â most of the city of Cedar Hill and portions of Grand Prairie, Ovilla, Duncanville, and Dallas.
CHISD has 61 buses and 2,270 daily bus riders.
Cedar Hill ISD was established in 1904, with just one campus, when it enacted a special school tax per new law. The district counted 273 students in 1922âÂÂ23. In the 1930s, the first Parent Teacher's Association was organized, and Mrs. Haswell was the first president. Bray Elementary was CHISD's original elementary-school campus. It was named in honor of Ms. Floy Bray (1889âÂÂ1985). The current Cedar Hill High School was built in 1978.
The student ethnic composition was 66.14% African American, 24.64% Hispanic, 4.02% White, 3.7% two or more races, 1.13% Asian, 0.27% American Indian, and 0.09% Native Hawaiian/Pacific Islander; 17 languages are represented at CHISD.
In 2025, the school district was rated C by the Texas Education Agency.
Below are the 2025 TEA ratings for the individual campuses.