SCUCISD is located on the northeast side of San Antonio within a 73-square mile area that includes Bexar and Guadalupe counties. Students come from Schertz, Cibolo, Universal City, Selma, St. Hedwig and occasionally Randolph Air Force Base. Below is a list of municipalities, counties and military installations in and around SCUCISD, for more information click on name.

City of Schertz
City of Cibolo
City of Universal City
City of Selma
Randolph Air Force Base (3.5 miles away)
Fort Sam Houston (23 miles away)
Lackland Air Force Base (32 miles away)
Guadalupe County
Bexar County
The Chamber (Schertz-Cibolo-Selma Area)
Tri-County Chamber of Commerce