For the 2026–2027 school year, the district serves 6,000 students across 12 schools in San Antonio Area, Texas. Classes begin August 12, 2026 and end May 26, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Southside ISD before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Southside ISD. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Southside ISD's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Southside ISD.
Who This Calendar Applies To
Schools Covered by This Calendar
The 2026–2027 Southside ISD academic calendar applies district-wide to all 10 campuses.
Early Childhood & Pre-K Centers1
- Colonel Miguel Menchaca Early Childhood Center (EE–KG)
Elementary Schools4
- Freedom Elementary School (01–05)
- Heritage Elementary School (01–05)
- Julian C Gallardo Elementary School (01–05)
- W M Pearce Primary School (01–05)
Middle & Junior High Schools2
- Julius L Matthey Middle School (06–08)
- Losoya Middle School (06–08)
High Schools1
- Southside High School (09–12)
Combined & Specialized Campuses1
- Bexar Co JJAEP (03–12)
Alternative & Specialized Campuses1
- Southside Alternative Center (01–12)
Campus list from the Texas Education Agency school directory. Individual campuses set their own bell schedules, and schools on an alternative or extended-year calendar may adjust specific dates — confirm with the school before planning around a date.
Sources and Checks
Where these dates come from
How the 2026–2027 Southside ISD calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Southside ISD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against southsideisd.org.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Southside ISD before booking around a date.
Common Questions
Frequently Asked Questions
Southside ISD Calendar 2026–2027 — important dates and answers.
The first day of school in Southside ISD for the 2026-2027 calendar year is August 12, 2026.
Spring Break in Southside ISD for 2026-2027 is from March 8 to March 12, 2027.
Christmas Break in Southside ISD for the 2026-2027 calendar year begins on December 21, 2026 and continues through January 1, 2027.
Winter Break in Southside ISD for the 2026-2027 calendar year runs from December 21, 2026 to January 1, 2027.
Thanksgiving Break in Southside ISD for 2026-2027 is from November 23 to November 27, 2026.
The last day of school in Southside ISD for the 2026-2027 calendar year is May 26, 2027.
Labor Day holiday in Southside ISD for the 2026-2027 calendar year is on September 7, 2026.
Fall Break in Southside ISD for the 2026-2027 calendar year is from October 9 to October 12, 2026.
MLK Day in Southside ISD for the 2026-2027 calendar year is observed on January 18, 2027.
Memorial Day in Southside ISD for the 2026-2027 calendar year is on May 31, 2027.
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