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District News

Cardinals Against Cyberbullying

January 16, 2026 by webmaster

In this powerful video, Southside High School Cardinals share their personal experiences with cyberbullying. Through their eyes, we explore the impact and the steps to create a safer online environment. Together, Cardinals Choose Kindness.

Filed Under: Campus News, District News

Game Night! Lady Cardinals Take on CC Winn This Friday, Jan. 16th

January 16, 2026 by webmaster

Catch the Lady Cardinals varsity basketball team in action this Friday at 6:30 PM as they take on the CC Winn Mavericks! Tune in online, cheer them on, and show your support – let’s flood the feed with Cardinal pride! 

Filed Under: Athletic News, Campus News, District News

Southside HS Automotive Program Gets Hands-On Gift

December 19, 2025 by webmaster

This holiday season comes with a gift that will keep on giving. In the spirit of Christmas, St. Philip’s College, in collaboration with General Motors ASEP and South San Antonio Buick GMC, proudly gifted a 2008 Chevy Impala with fewer than 30 miles to Southside High School’s Automotive Technology Program.

This incredible donation will serve as a hands-on training vehicle, giving our future technicians the opportunity to learn, practice, and grow their skills in a real-world setting. We are grateful for this partnership and the investment in our students’ futures—proof that when community and education come together, everyone wins.

Filed Under: Campus News, District News

SHS Cross Country Standout Kalub Flores Commits to Concordia

December 17, 2025 by webmaster

Southside ISD proudly celebrates Kalub Flores as he signs with Concordia University Texas to continue his academic and athletic journey. Kalub’s success is the result of countless miles, early mornings, and a relentless commitment to improvement. Through dedicated club training and the guidance of Southside Head Cross Country Coach Northrup and Assistant Coach Ramirez, Kalub developed the discipline and drive that define him as both an athlete and a leader. His signing marks a major milestone, and we can’t wait to see him represent Southside with pride at the next level.

Filed Under: Athletic News, Campus News, District News

Southside’s Jadelynn Uriegas signs to the University of the Cumberlands

December 12, 2025 by webmaster

Southside High School’s own Jadelynn Uriegas has officially signed with the University of the Cumberlands on a full-ride scholarship. A future Patriot with a bright path ahead, she’s turning her talent into something truly special.

Softball has been her stage — long practices, clutch moments, and the kind of grit that lifts an entire team. Her dedication has shaped her journey, transforming hard work into a college-athlete dream come true.

Southside couldn’t be prouder. Her story is a reminder that passion and persistence open doors.

Congratulations, Jadelynn, on this incredible accomplishment.

Filed Under: Campus News, District News

Cardinals Shine on the Field and in the Classroom

December 11, 2025 by webmaster

Congratulations to Alexander Garcia, Maverick Vela, Joel Jimenez, and Danielle Montoya for their excellent performance in the classroom and on the football field, earning them the honor of being selected to the Texas High School Coaches Association Academic All-State Football Team! Way to go, Cardinals!

Filed Under: Athletic News, Campus News, District News

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Mission

Southside ISD seeks to be the choice when it comes to providing a quality public education by upholding the highest standards of our core values.

Vision

Southside ISD will lead educational excellence by providing innovative programs.

Core Values

Service. Accountability. Integrity. Loyalty.

SOUTHSIDE HIGH SCHOOL

(210) 882-1606

19190 US-281
San Antonio, TX 78221

Principal: Gregory Mihleder

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