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News & Announcements

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

GAME DAY: The Cardinals Are Playoff-Bound & Locked In

November 14, 2025 by webmaster

Our Southside Cardinals have battled, believed, and pushed through every challenge to earn their place in the playoffs. Their grit, heart, and unwavering commitment have carried them to this moment—and now they’re ready for their next test as they face off against the Smithson Valley Rangers!

Watch a special playoff video:

Join us in showing what Southside pride is all about:

Friday, November 14
7:00 PM
Away Game

For tickets and game day information, click here.

We invite our entire Southside community to rally behind these incredible athletes. Bring the energy, bring the pride, and let’s pack the stands as we cheer our Cardinals on to victory. Your support fuels their fight—let’s show them the unstoppable spirit of Southside!

Filed Under: Athletic News, Campus News, District News

Playoff Game: Southside Cardinals Take on the Smithson Valley Rangers AWAY Friday, November 14th at 7pm

November 10, 2025 by webmaster

Cardinal Nation, it’s playoff time! Grab your tickets and come support the Southside Cardinals as they take on the Smithson Valley Rangers — Friday, November 14 at 7 p.m., Away Game.

Get your tickets here.

Get your playoff shirts here.


Information:

SMITHSON VALLEY PLAYOFF FOOTBALL INFORMATION
  • COMAL ALL-SPORTS  FLEX PASSES ARE NOT VALID FOR U.I.L. PLAYOFFS
  • STUDENT FLEX PASSES ARE NOT VALID FOR  U.I.L. PLAYOFFS
  • GATES WILL OPEN AT 5:45 PM

PASSES ACCEPTED

  • SENIOR CITIZEN GOLD CARDS FOR COMAL I.S.D. AND  SOUTHSIDE ISD WILL BE HONORED (To obtain a “senior card” visit the athletic office between 9am and 3 p.m. and show a current, valid i.d. showing you live inside the SISD school district.)
  • DISTRICT 13 5A & 14 5A U.I.L. PASSES WILL BE HONORED
  • FACULTY BADGES WITH ID FROM COMAL I.S.D. &  SOUTHSIDE  I.S.D. – GUEST PAYS
  • THSCA, TGCA, THSADA PASSES

More information from Smithson Valley

Filed Under: Athletic News, Campus News, District News

GAME DAY: Southside Cardinals vs John Jay Mustangs Friday, November 7th

November 7, 2025 by webmaster

Don’t miss tonight’s big game as your mighty Cardinals take on John Jay at 7:30—let’s pack the stands and show our Cardinal Pride! Get your tickets here.

Filed Under: Athletic News, District News

Southside High School’s Emarald Aguirre Shines at State Meet!

October 31, 2025 by webmaster

Southside High School proudly celebrates Emarald Aguirre for qualifying for the state cross country meet for the second year in a row. She was honored with a district escort as she set out to compete, with her former campus, Matthey Middle School, joining in the celebration. Emarald placed 25th overall, a remarkable improvement from last year’s 60th-place finish. The Southside ISD community couldn’t be prouder — congratulations, Emarald! We can’t wait to see what the future holds for you.

Watch a video honoring Emarald below!

Filed Under: Athletic News, Campus News, District News

Southside Cardinals at CC Winn Mavericks – Game Details & Links

October 30, 2025 by webmaster

The Southside Cardinals hit the road tonight to face the CC Winn Mavericks! Kickoff is at 7:00 PM, and it’s sure to be an exciting matchup.

🎟️ Tickets: Get yours here: TICKETS
📜 Stadium Rules: Please review them here: STADIUM RULES
📺 Live Stream: Can’t make it to the game? Watch it live here: WATCH LIVE

Let’s cheer on our Cardinals as they take on the Mavericks!

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.

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