Seguin ISD Calendar 2026-2027
Guadalupe County · Austin area (Region 13)
The Seguin ISD academic calendar for the 2026-2027 school year starts on Wednesday, August 19, 2026 and ends on Thursday, May 27, 2027. Through the fall, families can plan around Labor Day on September 7 and the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through 31. In the second semester, the calendar includes the Martin Luther King Jr. holiday on January 18, a spring break from March 8 through 12, and Memorial Day on May 31.
Last updated August 4, 2026
Official Calendar
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PDF Full-year Seguin ISD calendar with every key date — district logo, color legend and a QR code to this page.
Interactive calendar
Browse the key dates month by month — colored markers show each event.
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Frequently asked questions
When is the first day of school for Seguin ISD in 2026-2027?
The first day of school for Seguin ISD is Wednesday, August 19, 2026.
When is the last day of school for Seguin ISD in 2026-2027?
The last day of school for Seguin ISD is Thursday, May 27, 2027.
When is Thanksgiving break for Seguin ISD?
Seguin ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Seguin ISD?
Seguin ISD's winter break runs from December 21 through 31.
When is spring break for Seguin ISD in 2026-2027?
Seguin ISD's spring break is March 8 through 12, 2027.
Does Seguin ISD have school on Martin Luther King Jr. Day?
No. Seguin ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Seguin ISD have school on Labor Day?
No. Seguin ISD is closed for Labor Day on Monday, September 7, 2026.
Does Seguin ISD have school on Memorial Day?
No. Seguin ISD is closed for Memorial Day on Monday, May 31, 2027.
When is the first day of school in Seguin Independent School District 2026-2027?
The first day of school is August 19, 2026.
When is spring break in Seguin Independent School District 2026-2027?
Spring break is from March 8 to March 12, 2027.
When is Christmas break in Seguin Independent School District 2026-2027?
Christmas break starts December 21, 2026 and runs through December 31, 2026.
When is winter break in Seguin Independent School District 2026-2027?
Winter break runs from December 21, 2026 through January 1, 2027.
When is Thanksgiving break in Seguin Independent School District 2026-2027?
Thanksgiving break is from November 23 to November 27, 2026.
When is the last day of school in Seguin Independent School District 2026-2027?
The last day of school is May 27, 2027 (early release).
When is Labor Day holiday in Seguin Independent School District 2026-2027?
Labor Day is observed on September 7, 2026.
When is MLK Jr. Day in Seguin Independent School District 2026-2027?
MLK Jr. Day is January 18, 2027.
When is Presidents' Day in Seguin Independent School District 2026-2027?
Presidents' Day is February 15, 2027.
When is graduation in Seguin Independent School District 2026-2027?
Graduation is scheduled for May 28, 2027.