Allen ISD Calendar 2026-27

Allen ISD, the public school district in Allen, Texas, starts the 2026-27 school year on Thursday, August 13, 2026. The last day for students is Thursday, May 27, 2027. Spring break is Mar 15–19, 2027.

First dayThu Aug 13, 2026
Last dayThu May 27, 2027
ThanksgivingNov 23–27, 2026
Winter breakDec 21, 2026 – Jan 4, 2027
Spring breakMar 15–19, 2027
Instruction days173

Next day off: Thanksgiving Break, Nov 23–27, 2026

Holidays and days off, 2026-27

DatesHoliday / breakSchool days off
Sep 7, 2026Labor Day1
Sep 21, 2026Professional Development1
Oct 12–14, 2026Fall Break3
Oct 15–16, 2026Professional Development / Parent-Teacher Conferences2
Nov 23–27, 2026Thanksgiving Break5
Dec 21, 2026 – Jan 1, 2027Winter Break10
Jan 4, 2027Professional Development1
Jan 18, 2027Martin Luther King Jr. Day1
Feb 15, 2027Holiday1
Feb 16, 2027Professional Development1
Mar 15–19, 2027Spring Break5
Mar 26, 2027Holiday1
Apr 19, 2027Holiday1

Early release days

DateNote
Oct 7, 2026PSAT School Day/Student Early Release
Nov 20, 2026Early Release (Extra B Day due to Eagle Give Day)
Dec 15, 2026AHS/LFC Student Early Release
Dec 18, 2026Early Release
Mar 12, 2027Early Release
May 24, 2027AHS/LFC Early Release
May 27, 2027Student Early Release (Last Day of School)

Compared with nearby districts

DistrictFirst dayLast daySpring break
Allen ISDAug 13May 27Mar 15–19, 2027
Carrollton-Farmers Branch ISDAug 11May 21Mar 15–19, 2027
Birdville ISDAug 12May 27Mar 12–19, 2027
Forney ISDAug 12May 20Mar 5–12, 2027
Wylie ISD (Collin County)Aug 13May 27Mar 15–19, 2027

Same week off in March as Allen ISD: Carrollton-Farmers Branch ISD, Wylie ISD (Collin County).

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Source

✓ Checked against the official calendar

Official calendar: Allen ISD 2026-2027 calendar. Last checked November 8, 2026. District website: allenisd.org.

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