DULLES H S SUGAR LAND, TX School Information Address 550 DULLES AVE, SUGAR LAND, TX 77478 School Type public Enrollment 2,291 Grades 09-12 Football Program No athletic program data available. Related Schools Schools in SUGAR LAND CLEMENTS H S HARMONY SCHOOL OF INNOVATION-SUGAR LAND KEMPNER H S M R WOOD CENTER FOR LEARNING STEPHEN F AUSTIN H S