Plains K-12 School Calendar 2025-2026
Plains K-12 is a public school district in Montana serving 427 students. This page covers the 2025-2026 school year with day-level calendar data.
427
Enrollment
156
School Days
47
Break Days
2025-2026
School Year
Calendar Summary
First Day of School
September 2, 2025
Last Day of School
June 4, 2026
NCES District ID
3020850
State
Montana
Breaks & Holidays
Scheduled breaks and holidays for Plains K-12 during 2025-2026 (excludes weekends and summer):
| Break | Start | End | Days |
|---|---|---|---|
| Teacher Workshop | Aug 26 | Aug 28 | 3 |
| No School | Sep 1 | Sep 1 | 1 |
| No School | Sep 12 | Sep 12 | 1 |
| No School | Sep 19 | Sep 19 | 1 |
| No School | Sep 26 | Sep 26 | 1 |
| No School | Oct 3 | Oct 3 | 1 |
| Teacher Workshop | Oct 10 | Oct 10 | 1 |
| No School | Oct 16 | Oct 17 | 2 |
| No School | Oct 24 | Oct 24 | 1 |
| No School | Oct 31 | Oct 31 | 1 |
| Teacher Workshop | Nov 7 | Nov 7 | 1 |
| No School | Nov 14 | Nov 14 | 1 |
| No School | Nov 21 | Nov 21 | 1 |
| No School | Nov 27 | Nov 28 | 2 |
| No School | Dec 5 | Dec 5 | 1 |
| No School | Dec 19 | Dec 19 | 1 |
| No School | Dec 24 | Jan 2 | 8 |
| No School | Jan 9 | Jan 9 | 1 |
| No School | Jan 16 | Jan 16 | 1 |
| Teacher Workshop | Jan 23 | Jan 23 | 1 |
| No School | Feb 6 | Feb 6 | 1 |
| No School | Feb 13 | Feb 20 | 6 |
| No School | Apr 3 | Apr 3 | 1 |
| Teacher Workshop | Apr 10 | Apr 10 | 1 |
| No School | Apr 24 | Apr 24 | 1 |
| No School | May 1 | May 1 | 1 |
| No School | May 8 | May 8 | 1 |
| No School | May 15 | May 15 | 1 |
| No School | May 22 | May 25 | 2 |
| Teacher Workshop | Jun 5 | Jun 5 | 1 |
School Year Calendar
Visual calendar for Plains K-12, July 2025 through June 2026:
Jul 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 |
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 Plains K-12:
| School Year | First Day | Last Day | School Days | Break Days |
|---|---|---|---|---|
| 2024-2025 | Sep 5 | Jun 27 | 186 | 29 |
| 2025-2026 | Sep 2 | Jun 4 | 156 | 47 |
| 2026-2027 | Sep 2 | Jun 25 | 198 | 19 |
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