For the 2026–2027 school year, Dilley ISD publishes its official academic calendar for Texas. Classes begin Aug 11 and end May 26. All dates listed below are sourced from the district's official publications. Verify with Dilley ISD before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Dilley ISD. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Dilley ISD's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- New Teacher OrientationJul 28 — Jul 30Teacher Day
- Professional DevelopmentAug 3 — Aug 10Teacher Day
- First Day of SchoolAug 11, 2026School Opens
- District-Wide Early Release - 12:30 p.m.Aug 21, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Aug 28, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Sep 4, 2026Early Release
- Labor DaySep 7, 2026No School
- Student Early Release/Professional Development - 12:30 p.m.Sep 18, 2026Teacher Day
- District-Wide Early Release - 12:30 p.m.Sep 25, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Oct 2, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Oct 9, 2026Early Release
- Columbus DayOct 12, 2026No School
- District-Wide Early Release - 12:30 p.m.Oct 23, 2026Early Release
- Student Early Release/Professional Development - 12:30 p.m.Oct 30, 2026Teacher Day
- District-Wide Early Release - 12:30 p.m.Nov 6, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Nov 13, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Nov 20, 2026Early Release
- Thanksgiving BreakNov 23 — Nov 27No School
- STAAR End-of-Course AssessmentsDec 1 — Dec 12Event
- District-Wide Early Release - 12:30 p.m.Dec 4, 2026Early Release
- District-Wide Early Release - 12:30 p.m.Dec 11, 2026Early Release
- Student Early Release/Professional Development - 12:30 p.m.Dec 17, 2026Teacher Day
- District-Wide Early Release - 12:30 p.m.Dec 18, 2026Early Release
- Christmas and New Year BreakDec 21 — Jan 3No School
- Professional DevelopmentJan 4, 2027Teacher Day
- District-Wide Early Release - 12:30 p.m.Jan 15, 2027Early Release
- Martin Luther King Jr. DayJan 18, 2027No School
- District-Wide Early Release - 12:30 p.m.Jan 27, 2027Early Release
- Stock Show HolidayJan 28 — Jan 29No School
- Bad Weather/Makeup DayJan 29, 2027Event
- District-Wide Early Release - 12:30 p.m.Feb 5, 2027Early Release
- District-Wide Early Release - 12:30 p.m.Feb 12, 2027Early Release
- Presidents' DayFeb 15, 2027No School
- TELPAS Assessment WindowFeb 16 — Mar 27Event
- Student Early Release/Professional Development - 12:30 p.m.Feb 26, 2027Teacher Day
- District-Wide Early Release - 12:30 p.m.Mar 5, 2027Early Release
- Spring BreakMar 8 — Mar 12No School
- STAAR Alternate 2 Assessment WindowMar 16 — Apr 17Event
- Student Early Release/Professional Development - 12:30 p.m.Mar 19, 2027Teacher Day
- Good Friday and Bad Weather/Makeup DayMar 26, 2027No School
- Easter HolidayMar 29, 2027No School
- STAAR Reading Language Arts, English I and English II AssessmentsApr 6 — Apr 17Event
- Student Early Release/Professional Development - 12:30 p.m.Apr 9, 2027Teacher Day
- STAAR Science, Social Studies, Biology and U.S. History AssessmentsApr 13 — Apr 24Event
- District-Wide Early Release - 12:30 p.m.Apr 16, 2027Early Release
- STAAR Mathematics and Algebra I AssessmentsApr 20 — May 1Event
- District-Wide Early Release - 12:30 p.m.Apr 23, 2027Early Release
- District-Wide Early Release - 12:30 p.m.Apr 30, 2027Early Release
- District-Wide Early Release - 12:30 p.m.May 7, 2027Early Release
- District-Wide Early Release - 12:30 p.m.May 14, 2027Early Release
- District-Wide Early Release - 12:30 p.m.May 21, 2027Early Release
- Last Day of SchoolMay 26, 2027School Closes
- Professional DevelopmentMay 27 — May 28Teacher Day
- GraduationMay 28, 2027Event
About the District
School Information
Details and contact information for Dilley ISD.
Sources and Checks
Where these dates come from
How the 2026–2027 Dilley 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 Dilley ISD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against dilleyisd.net.
- ✓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 Dilley ISD before booking around a date.
Common Questions
Frequently Asked Questions
Dilley ISD Calendar 2026–2027 — important dates and answers.
The first day of school in Dilley Independent School District for the 2026-2027 school year is August 11, 2026.
Spring break in Dilley Independent School District is from March 8 through March 12, 2027.
Christmas and New Year break in Dilley Independent School District is from December 21, 2026, through January 3, 2027.
Winter break in Dilley Independent School District is from December 21, 2026, through January 3, 2027.
Thanksgiving break in Dilley Independent School District is from November 23 through November 27, 2026.
The last day of school in Dilley Independent School District for the 2026-2027 school year is May 26, 2027.
Dilley Independent School District will observe Labor Day on September 7, 2026.
Dilley Independent School District will observe Columbus Day on October 12, 2026.
Dilley Independent School District will observe Martin Luther King Jr. Day on January 18, 2027.
Dilley Independent School District will observe Presidents' Day on February 15, 2027.
The Stock Show holiday in Dilley Independent School District is from January 28 through January 29, 2027.
Good Friday is scheduled for March 26, 2027. This date is also listed as a bad weather or makeup day.
The Easter holiday in Dilley Independent School District is March 29, 2027.
The bad weather or makeup days are January 29 and March 26, 2027.
Professional development is scheduled for August 3-10, 2026, January 4, 2027, and May 27-28, 2027.
New teacher orientation is scheduled for July 28 through July 30, 2026.
Student early release and professional development days at 12:30 p.m. are September 18, October 30, and December 17, 2026, plus February 26 and March 19, 2027.
Graduation is scheduled for May 28, 2027, and is subject to change if needed.
Explore More
Recently Updated Calendars
Other Texas school district calendars — recently added or updated.