Seguin ISD School Calendar 2026-2027

At a Glance

SISD is a local school district with 14 schools. The first day of school is August 19. Seguin ISD's mascot is the Matador, and the district's motto is 'Building Futures Together.' This calendar includes 3 early-release or half days — useful to know when planning childcare.

Also known as SISD.

Schools in Seguin ISD

DISCIPLINE ALTERNATIVE SCHOOL AT SAEGERT (Middle)
BALL EARLY CHILDHOOD CENTER (Prekindergarten)
JEFFERSON AVE EL (Elementary)
MCQUEENEY EL (Elementary)
SEGUIN H S (High)
ORALIA R RODRIGUEZ EL (Elementary)
PATLAN EL (Elementary)
KOENNECKE EL (Elementary)
MERCER & BLUMBERG LRN CTR (High)
JUVENILE DETENTION CENTER (High)
JIM BARNES MIDDLE (Middle)
BRIESEMEISTER MIDDLE (Middle)
WEINERT EL (Elementary)
VOGEL EL (Elementary)

Seguin ISD 2026-2027 School Calendar

All schools

2026-08-03 to 2026-08-18 — Student Holiday - Staff Development (closed)
2026-08-19 — First Day of School (in session)
2026-09-07 — District Holiday - Labor Day (closed)
2026-09-28 — Student Holiday - Staff Development (closed)
2026-10-09 — District Holiday (closed)
2026-10-12 — District Holiday (closed)
2026-11-23 to 2026-11-27 — District Holiday - Thanksgiving Break (closed)
2026-12-18 — Early Release (partial)
2026-12-21 to 2027-01-01 — District Holiday - Winter Break (closed)
2027-01-04 to 2027-01-05 — Student Holiday - Staff Development (closed)
2027-01-18 — District Holiday - MLK Jr. Day (closed)
2027-02-12 — Student Holiday - Staff Development (closed)
2027-02-15 — District Holiday - Presidents' Day (closed)
2027-03-08 to 2027-03-12 — District Holiday - Spring Break (closed)
2027-03-26 — District Holiday - Good Friday (closed)
2027-03-29 — District Holiday - Easter Monday (closed)
2027-04-30 — District Holiday (closed)
2027-05-27 — Early Release - Last Day of School (partial)
2027-05-27 — Last Day of School (partial)
2027-05-28 — Student Holiday - Staff Development (closed)
2027-05-28 — Graduation (in session)
2027-05-31 — District Holiday (closed)