Collinsville Independent School District Calendar 2026–2027
Collinsville, TX · 7 key dates
August 2026
Mon, Aug 3First Day of School
September 2026
Mon, Sep 7Labor Day
November 2026
Nov 23 – Nov 27Thanksgiving
December 2026
Dec 17 – Jan 3Winter Break
January 2027
Mon, Jan 18MLK Jr. Day
March 2027
Mar 15 – Mar 19Spring Break
May 2027
Tue, May 25Last Day of School
Compiled from the district's published calendar and subject to change — always verify against the official Collinsville ISD calendar.