Visual Calendar
Official Calendar Images
Official calendar scans for Calallen ISD. Click any image to open full-screen.
School Calendar
Download PDF Calendar
Download Calallen ISD's 2025–2026 academic calendar PDF — holidays, breaks, and key dates.
For the 2025–2026 school year, the district serves 4,200 students across 6 schools in Texas. Classes begin August 13, 2025 and end May 29, 2026, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Calallen ISD before scheduling around them.
About the District
School Information
Details and contact information for Calallen ISD.
Common Questions
Frequently Asked Questions
Calallen ISD Calendar 2025–2026 — important dates and answers.
The first day of school for students in Calallen ISD is August 13, 2025.
Spring Break will be held from March 9 through March 13, 2026. Students return to class on March 16, 2026.
Christmas Break begins on December 22, 2025 and continues through January 2, 2026.
Winter Break in Calallen ISD is scheduled from December 22, 2025, through January 2, 2026.
Thanksgiving Break will take place from November 25 through November 28, 2025. November 24 is a Student Holiday/PD Flex Day.
The last day of school for students is May 29, 2026.
Labor Day is observed on September 1, 2025, and there will be no school.
Martin Luther King Jr. Day will be observed on January 19, 2026, and schools will be closed.
Easter Break is scheduled for April 3, 2026.
Memorial Day will be observed on May 25, 2026, and there will be no school.
Staff Development days include August 6-8, August 11-12, September 29, October 13, December 1, February 9, and June 1-2, 2026.
The first nine weeks grading period ends on October 10, 2025.
The second nine weeks grading period ends on December 19, 2025.
The third nine weeks grading period ends on March 6, 2026.
The fourth nine weeks grading period ends on May 29, 2026, which is also the last day of school.
Graduation is scheduled for May 23, 2026.
Seniors' Last Day is May 21, 2026.
The Livestock Show is scheduled from January 12 through January 16, 2026.
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