Visual Calendar
Official calendar scans for Allen ISD. Click any image to open full-screen.
School Calendar
Download Allen ISD's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
For the 2026–2027 school year, the district serves 21,000 students across 26 schools in Dallas-Fort Worth Area, Texas. Classes begin August 13, 2026 and end May 27, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Allen ISD School before scheduling around them.
About the District
Details and contact information for Allen ISD.
Common Questions
Allen ISD Calendar 2026–2027 — important dates and answers.
The first day of school for Allen ISD for the 2026-2027 academic year is August 13, 2026.
Spring Break in Allen ISD for the 2026-2027 school year is scheduled from March 15-19, 2027.
Christmas Break in Allen ISD for the 2026-2027 school year begins on December 21, 2026 and continues through January 1, 2027.
Winter Break for Allen ISD during the 2026-2027 academic year runs from December 21, 2026 through January 1, 2027.
Thanksgiving Break in Allen ISD for the 2026-2027 school year is from November 23-27, 2026.
The last day of school for Allen ISD in the 2026-2027 academic year is May 27, 2027. This day is also an early release day.
Fall Break for Allen ISD during the 2026-2027 school year is scheduled for October 12-14, 2026.
Labor Day will be observed on September 7, 2026 in Allen ISD, and students will not have school on this day.
Martin Luther King Jr. Day will be observed on January 18, 2027 in Allen ISD.
Allen High School Graduation for the 2026-2027 school year is scheduled for May 28, 2027.
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