Southside ISD serves approximately 5,000 students at eight schools: one early childhood center (PK-K), four elementary schools (grades 1-5), two middle schools (grades 6-8), and one high school (grades 9-12).

Principal: Rebecca Herrera
16180 U.S. Highway 281 South
San Antonio, TX 78264
https://southsideisd.org/mecc/

Principal: Thomasina Montana
3845 S. Loop 1604 E.
San Antonio, TX 78264
https://southsideisd.org/freedom/

Principal: Elise Puente
3223 S. Loop 1604 E.
San Antonio, TX 78264
https://southsideisd.org/heritage/

Principal: Karen Feldman
1300 Del Lago Parkway
San Antonio, TX 78221
https://southsideisd.org/gallardo/

Principal: Miguel Martel
20350 Red Forest Lane
San Antonio, TX 78264
https://southsideisd.org/matthey/

Principal: Joel Gaines
1610 Martinez Losoya Rd.
San Antonio, TX 78221
https://southsideisd.org/losoya

Principal: Demetria Sance
19190 US-281
San Antonio, TX 78221
https://southsideisd.org/shs/

ECHS Administrator: Arturo Cano
19190 US-281
San Antonio, TX 78221
https://southsideisd.org/echs/