Chelsea School Calendar 2025-2026
Chelsea is a public school district in Oklahoma serving 808 students. This page covers the 2025-2026 school year with day-level calendar data.
This district is part of the Tulsa, OK metropolitan area.
808
Enrollment
157
School Days
48
Break Days
2025-2026
School Year
Calendar Summary
First Day of School
September 10, 2025
Last Day of School
June 12, 2026
NCES District ID
4007380
State
Oklahoma
Breaks & Holidays
Scheduled breaks and holidays for Chelsea during 2025-2026 (excludes weekends and summer):
| Break | Start | End | Days |
|---|---|---|---|
| Educator PD Day #1 | Aug 25 | Aug 25 | 1 |
| Educator PD Day #2 | Aug 26 | Aug 26 | 1 |
| No School | Aug 29 | Aug 29 | 1 |
| Labor Day | Sep 1 | Sep 1 | 1 |
| Staff Returns | Sep 2 | Sep 2 | 1 |
| Rosh Hashanah - Closed | Sep 23 | Sep 23 | 1 |
| Early Release Day - Educator PD | Sep 24 | Sep 24 | 1 |
| Yom Kippur - Closed | Oct 2 | Oct 2 | 1 |
| Indigenous Peoples' Day | Oct 13 | Oct 13 | 1 |
| Diwali - Closed | Oct 20 | Oct 20 | 1 |
| Educator PD Day #3 | Oct 22 | Oct 22 | 1 |
| Educator PD Day #4 | Nov 4 | Nov 4 | 1 |
| Veterans Day | Nov 11 | Nov 11 | 1 |
| Thanksgiving Break Day 1 | Nov 26 | Nov 26 | 1 |
| Thanksgiving Break Day 2 | Nov 27 | Nov 27 | 1 |
| Thanksgiving Break Day 3 | Nov 28 | Nov 28 | 1 |
| Early Release Day - Educator PD | Dec 10 | Dec 10 | 1 |
| Winter Break | Dec 22 | Dec 22 | 1 |
| Early Release Day - Educator PD | Dec 23 | Dec 23 | 1 |
| December Break Day 1 | Dec 24 | Dec 24 | 1 |
| December Break Day 2 | Dec 25 | Dec 25 | 1 |
| December Break Day 3 | Dec 26 | Dec 26 | 1 |
| December Break Day 4 | Dec 27 | Dec 27 | 1 |
| Winter Break | Dec 29 | Dec 29 | 1 |
| December Break Day 5 | Dec 30 | Dec 30 | 1 |
| December Break Day 6 | Dec 31 | Dec 31 | 1 |
| New Year's Day | Jan 1 | Jan 1 | 1 |
| No School | Jan 2 | Jan 2 | 1 |
| MLK Jr. Day | Jan 19 | Jan 19 | 1 |
| Early Release Day - Educator PD | Feb 11 | Feb 11 | 1 |
| Staff Development - Closed To Kids | Feb 13 | Feb 13 | 1 |
| February Break Day 1 | Feb 16 | Feb 16 | 1 |
| February Break Day 2 | Feb 17 | Feb 17 | 1 |
| February Break Day 3 | Feb 18 | Feb 18 | 1 |
| February Break Day 4 | Feb 19 | Feb 19 | 1 |
| February Break Day 5 | Feb 20 | Feb 20 | 1 |
| Early Release Day - Educator PD | Mar 18 | Mar 18 | 1 |
| Eid - Closed | Mar 20 | Mar 20 | 1 |
| Spring Break | Mar 23 | Mar 23 | 1 |
| No School | Apr 3 | Apr 3 | 1 |
| Parent Conferences - Closed To Kids | Apr 16 | Apr 16 | 1 |
| April Break Day 1 | Apr 20 | Apr 20 | 1 |
| April Break Day 2 | Apr 21 | Apr 21 | 1 |
| April Break Day 3 | Apr 22 | Apr 22 | 1 |
| April Break Day 4 | Apr 23 | Apr 23 | 1 |
| April Break Day 5 | Apr 24 | Apr 24 | 1 |
| Memorial Day | May 25 | May 25 | 1 |
| Juneteenth | Jun 19 | Jun 19 | 1 |
School Year Calendar
Visual calendar for Chelsea, July 2025 through June 2026:
Jul 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
Aug 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Sep 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 |
Oct 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 | 31 |
Nov 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
Dec 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 |
Jan 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |
Feb 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 |
Mar 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
Apr 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
May 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Jun 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 |
In SessionBreak/HolidayWeekend
Multi-Year Comparison
Calendar data across school years for Chelsea:
| School Year | First Day | Last Day | School Days | Break Days |
|---|---|---|---|---|
| 2024-2025 | Aug 26 | Jun 6 | 178 | 33 |
| 2025-2026 | Sep 10 | Jun 12 | 157 | 48 |
| 2026-2027 | Aug 25 | May 26 | 197 | 0 |
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