2025-2026 Campus Improvement Plan can be downloaded here: Southside High School Plan
2025-2026 School Parent Compact can be downloaded here: School Parent Compact
Principal: Gregory Mihleder
19190 Hwy 281 S #2, San Antonio, TX 78221
(210) 882-1606 Main
(210) 626-0119 Fax
(210) 882-1606 ext. 1536 Library
(210) 882-1606 ext. 1528 Counselor