Kathlyn Joy Gilliam Collegiate Academy is an advanced high school focusing on college readiness and is located on the grounds of the University of North Texas at Dallas in southern Dallas, Texas.

The school was named after Kathlyn Joy Gilliam, the first African-American woman who served on the Dallas ISD school board and the first African-American to serve as the president of the Dallas ISD board.

[1] Prior to relocating to its current building, Gilliam was housed in the Nolan Estes Plaza.

[1] The $21.5 million facility[1] is located on the northeastern edge of the University of North Texas at Dallas campus.

[3] The campus has a wireless building that includes two computer labs, a combined lecture hall and theater, an amphitheater, and the "Go Center," a resource center staffed by UNT Dallas students that exists to assist Gilliam students with college and university applications and scholarship applications.