Celina ISD Calendar 2026-2027
Collin County · Richardson area (Region 10)
The Celina ISD academic calendar for the 2026-2027 school year starts on Wednesday, August 12, 2026 and ends on Friday, May 21, 2027. Through the fall, families can plan around Labor Day on September 7 and the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through January 1. In the second semester, the calendar includes the Martin Luther King Jr. holiday on January 18 and a spring break from March 15 through 19.
Last updated August 4, 2026
Official Calendar
Printable calendar (PDF)
PDF Full-year Celina ISD calendar with every key date — district logo, color legend and a QR code to this page.
Interactive calendar
Browse the key dates month by month — colored markers show each event.
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Frequently asked questions
When is the first day of school for Celina ISD in 2026-2027?
The first day of school for Celina ISD is Wednesday, August 12, 2026.
When is the last day of school for Celina ISD in 2026-2027?
The last day of school for Celina ISD is Friday, May 21, 2027.
When is Thanksgiving break for Celina ISD?
Celina ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for Celina ISD?
Celina ISD's winter break runs from December 21 through January 1.
When is spring break for Celina ISD in 2026-2027?
Celina ISD's spring break is March 15 through 19, 2027.
Does Celina ISD have school on Martin Luther King Jr. Day?
No. Celina ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.
Does Celina ISD have school on Labor Day?
No. Celina ISD is closed for Labor Day on Monday, September 7, 2026.
When is the first day of school in Celina Independent School District for 2026-2027?
The first day of school in Celina Independent School District for the 2026-2027 academic year is August 12, 2026.
When is Spring Break in Celina Independent School District 2027?
Spring Break in Celina Independent School District is scheduled from March 15 to March 19, 2027.
When is Christmas Break in Celina Independent School District 2026?
Christmas Break in Celina Independent School District begins on December 21, 2026 and continues through January 1, 2027.
When is Winter Break in Celina Independent School District 2026-2027?
Winter Break for Celina Independent School District runs from December 21, 2026 to January 1, 2027.
When is Thanksgiving Break in Celina Independent School District 2026?
Thanksgiving Break in Celina Independent School District is from November 23 through November 27, 2026.
When is the last day of school in Celina Independent School District 2027?
The last day of school in Celina Independent School District for the 2026-2027 academic year is May 21, 2027. It will be an early release day for students.
When is Labor Day holiday in Celina Independent School District 2026?
Labor Day will be observed on September 7, 2026, and schools will be closed for students and staff.
When is Martin Luther King Jr. Day in Celina Independent School District 2027?
Martin Luther King Jr. Day will be observed on January 18, 2027, and it is a student and staff holiday.
When is Presidents Day in Celina Independent School District 2027?
Presidents Day will be observed on February 15, 2027, and schools will remain closed for students and staff.
When is the early release day in Celina Independent School District 2026?
An early release day in Celina Independent School District is scheduled for December 18, 2026.