For the 2026–2027 school year, Colmesneil ISD publishes its official academic calendar for Texas. Classes begin Aug 10 and end May 20. All dates listed below are sourced from the district's official publications. Verify with Colmesneil ISD before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Colmesneil ISD. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Colmesneil ISD's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- Professional Development / Student HolidayAug 3 — Aug 7No School
- First Day of SchoolAug 10, 2026School Opens
- Staff and Student HolidaySep 7, 2026No School
- End of 1st Grading PeriodOct 1, 2026Grading
- Professional Development / Student HolidayOct 2, 2026No School
- Staff and Student HolidayOct 5 — Oct 9No School
- Beginning of 2nd Grading PeriodOct 12, 2026Grading
- Professional Development / Student HolidayNov 20, 2026No School
- Thanksgiving Break / Staff and Student HolidayNov 23 — Nov 27No School
- End of 2nd Grading PeriodDec 17, 2026Grading
- Professional Development / Student HolidayDec 18, 2026No School
- Winter Break / Staff and Student HolidayDec 21 — Jan 1No School
- Beginning of 3rd Grading PeriodJan 4, 2027Grading
- Professional Development / Student HolidayJan 22, 2027No School
- Professional Development / Student HolidayFeb 12, 2027No School
- Staff and Student HolidayFeb 15 — Feb 19No School
- End of 3rd Grading PeriodMar 11, 2027Grading
- Professional Development / Student HolidayMar 12, 2027No School
- Beginning of 4th Grading PeriodMar 15, 2027Grading
- Professional Development / Student HolidayMar 26, 2027No School
- Staff and Student HolidayMar 29 — Apr 2No School
- Professional Development / Student HolidayApr 23, 2027No School
- End of 4th Grading Period / Last Day of SchoolMay 20, 2027School Closes
- Professional Development / Student HolidayMay 21, 2027No School
- Staff and Student HolidayMay 24 — Jul 30No School
About the District
School Information
Details and contact information for Colmesneil ISD.
Sources and Checks
Where these dates come from
How the 2026–2027 Colmesneil 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 Colmesneil ISD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against colmesneilisd.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 Colmesneil ISD before booking around a date.
Common Questions
Frequently Asked Questions
Colmesneil ISD Calendar 2026–2027 — important dates and answers.
The first day of school for COLMESNEIL ISD students is August 10, 2026.
Spring Break in COLMESNEIL ISD is from March 29 through April 2, 2027.
Christmas Break in COLMESNEIL ISD is from December 21, 2026, through January 1, 2027.
Winter Break in COLMESNEIL ISD is from December 21, 2026, through January 1, 2027.
Thanksgiving Break in COLMESNEIL ISD is from November 23 through November 27, 2026.
The last day of school for COLMESNEIL ISD students is May 20, 2027.
Fall Break in COLMESNEIL ISD is from October 5 through October 9, 2026.
COLMESNEIL ISD has a staff and student holiday from February 15 through February 19, 2027.
Professional development and student holidays are August 3-7, October 2, November 20, and December 18, 2026, as well as January 22, February 12, March 12, March 26, April 23, and May 21, 2027.
The first grading period ends on October 1, 2026.
The second grading period begins on October 12, 2026, and ends on December 17, 2026.
The third grading period begins on January 4, 2027, and ends on March 11, 2027.
The fourth grading period begins on March 15, 2027, and ends on May 20, 2027.
COLMESNEIL ISD student hours are 7:45 a.m. to 3:30 p.m.
Explore More
Recently Updated Calendars
Other Texas school district calendars — recently added or updated.