Important Message! SOUTHSIDE ISD - WE ARE NOW AN OPEN ENROLLMENT DISTRICT. ENROLL TODAY! Play Video Attendance Matters: Every Day Counts for Student Success Important: 2025–2026 School Start & End Times Losoya Band Performs at Texas Lutheran University ENROLL STUDENTS CARDINAL APPAREL HEALTH SERVICES DEPTS. DISTRICT GOALS SAFETY & SECURITY ASCENDER PARENT PORTAL ASCENDER EMPLOYEE ACCESS CARDINAL APPAREL ENROLL STUDENTS ASCENDER PARENT PORTAL SAFETY & SECURITY HEALTH SERVICES ASCENDER EMPLOYEE ACCESS DEPARTMENTS DISTRICT GOALS EVENTS CALENDAR DISTRICT ATHLETICS DISTRICT [calendar id="6763"] ATHLETICS [calendar id="9556"] Campus Calendars & More DISTRICT NEWS Playoff Game: Southside Cardinals Take on the Smithson Valley Rangers AWAY Friday, November 14th at 7pm November 10, 2025 KSAT 12 Scholar Athlete of the Week: Maverick Vela of Southside High School November 10, 2025 GAME DAY: Southside Cardinals vs John Jay Mustangs Friday, November 7th November 7, 2025 Ron Moore Memorial Grant Awarded to Southside ISD’s Dr. Ebong for Outstanding Contributions to STEM Education November 7, 2025 FREE Zumba is Back at the High School! November 7, 2025 READ MORE DISTRICT NEWS MEDIA Play Video Play Video STAAR Redesign Information The Cardinal – Spring ’23 The Cardinal – Fall ’22 The Cardinal – Spring ’22 The Cardinal – Winter ’21 The Cardinal – Spring ’21 The Cardinal – Winter 2020 The Cardinal Newsletter – Spring 2020 The Cardinal Newsletter – Winter 2017/2018 Social Media Facebook X - Social Media Instagram YouTube
