Visual Calendar
Official calendar scans for Allen ISD. Click any image to open full-screen.
Official Document
The official calendar PDF published by Allen ISD. Download or view inline.
School Calendar
Month-by-month view of Allen ISD's 2026–2027 academic calendar — holidays, breaks, and key dates.
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.
Explore More
Other Texas school district calendars — recently added or updated.