Clarendon ISD Calendar 2026-2027

Donley County · Amarillo area (Region 16)

First day of schoolAugust 12, 2026
Labor DaySeptember 7, 2026
Thanksgiving breakNovember 23–27, 2026
Winter breakDecember 21, 2026 – January 3, 2027
MLK Jr. DayJanuary 18, 2027
Spring breakMarch 15–19, 2027
Last day of schoolMay 20, 2027

Last updated September 18, 2026

Interactive calendar

Browse the key dates month by month — colored markers show each event.

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Clarendon ISD Calendar for the Year 26-27

Clarendon ISD Calendar for the Year 26-27 — key dates

https://www.clarendonisd.net — Source: Clarendon ISD (clarendonisd.net) ↗

First day: Wednesday, August 12, 2026

Calendar Dates

Staff Development / WorkdayAug 4 — Aug 7Teacher Day
Staff Development / WorkdayAug 10 — Aug 11Teacher Day
First Day of School / 1st Grading Period BeginsAug 12, 2026School Opens
Labor Day HolidaySep 7, 2026No School
1st Grading Period EndsSep 18, 2026Grading
2nd Grading Period BeginsSep 21, 2026Grading
Student HolidayOct 12, 2026No School
2nd Grading Period EndsOct 30, 2026Grading
3rd Grading Period BeginsNov 2, 2026Grading
Thanksgiving BreakNov 23 — Nov 27No School
STAAR Testing WindowDec 8 — Dec 11Event
3rd Grading Period EndsDec 18, 2026Grading
Winter BreakDec 21 — Dec 31No School
Winter Break (Continued)Jan 1 — Jan 3No School
Staff Development DayJan 4, 2027Teacher Day
4th Grading Period BeginsJan 5, 2027Grading
Martin Luther King Jr. Day HolidayJan 18, 2027No School
4th Grading Period EndsFeb 12, 2027Grading
Presidents' Day HolidayFeb 15, 2027No School
5th Grading Period BeginsFeb 16, 2027Grading
Spring BreakMar 15 — Mar 19No School
STAAR Testing BeginsMar 30 — Mar 31Event
STAAR TestingApr 1, 2027Event
5th Grading Period EndsApr 2, 2027Grading
6th Grading Period BeginsApr 5, 2027Grading
STAAR Testing WindowMay 4 — May 7Event
Holiday / Inclement Weather DayMay 7, 2027No School
Holiday / Inclement Weather DayMay 14, 2027No School
Last Day of School / 6th Grading Period EndsMay 20, 2027School Closes
Graduation / Staff DevelopmentMay 21, 2027Teacher Day

Frequently asked questions

When is the first day of school for Clarendon ISD in 2026-2027?

The first day of school for Clarendon ISD is Wednesday, August 12, 2026.

When is the last day of school for Clarendon ISD in 2026-2027?

The last day of school for Clarendon ISD is Thursday, May 20, 2027.

When is Thanksgiving break for Clarendon ISD?

Clarendon ISD has Thanksgiving break from November 23 through 27, 2026.

When is winter break for Clarendon ISD?

Clarendon ISD's winter break runs from December 21 through January 3.

When is spring break for Clarendon ISD in 2026-2027?

Clarendon ISD's spring break is March 15 through 19, 2027.

Does Clarendon ISD have school on Martin Luther King Jr. Day?

No. Clarendon ISD is closed for Martin Luther King Jr. Day on Monday, January 18, 2027.

Does Clarendon ISD have school on Labor Day?

No. Clarendon ISD is closed for Labor Day on Monday, September 7, 2026.