Sidney H S School Calendar 2025-2026
Sidney H S is a public school district in Montana serving 378 students. This page covers the 2025-2026 school year with day-level calendar data.
378
Enrollment
168
School Days
37
Break Days
2025-2026
School Year
Calendar Summary
First Day of School
August 18, 2025
Last Day of School
May 21, 2026
NCES District ID
3024230
State
Montana
Breaks & Holidays
Scheduled breaks and holidays for Sidney H S during 2025-2026 (excludes weekends and summer):
| Break | Start | End | Days |
|---|---|---|---|
| Professional Development Day | Aug 27 | Aug 28 | 2 |
| Labor Day | Sep 1 | Sep 1 | 1 |
| Staff Development | Oct 13 | Oct 13 | 1 |
| PIR Day | Oct 16 | Oct 16 | 1 |
| MEA Convention | Oct 17 | Oct 17 | 1 |
| Thanksgiving Break | Nov 26 | Nov 26 | 1 |
| Thanksgiving Day | Nov 27 | Nov 27 | 1 |
| Thanksgiving Break | Nov 28 | Nov 28 | 1 |
| Christmas Break | Dec 22 | Dec 24 | 3 |
| Christmas Day | Dec 25 | Dec 25 | 1 |
| Christmas Break | Dec 26 | Dec 26 | 1 |
| Winter Break | Dec 27 | Dec 28 | 2 |
| Christmas Break | Dec 29 | Dec 31 | 3 |
| New Year's Day | Jan 1 | Jan 1 | 1 |
| Christmas Break | Jan 2 | Jan 2 | 1 |
| Martin Luther King Jr. Day | Jan 19 | Jan 19 | 1 |
| Presidents' Day | Feb 16 | Feb 16 | 1 |
| Spring Break | Mar 9 | Mar 12 | 4 |
| PIR Day | Mar 13 | Mar 13 | 1 |
| Spring Break | Mar 30 | Apr 2 | 4 |
| Good Friday/Spring Break | Apr 3 | Apr 3 | 1 |
| Easter | Apr 5 | Apr 5 | 1 |
| Staff Workday | May 22 | May 22 | 1 |
| Memorial Day | May 25 | May 25 | 1 |
| PIR Day/Last Day | Jun 4 | Jun 4 | 1 |
School Year Calendar
Visual calendar for Sidney H S, 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 Sidney H S:
| School Year | First Day | Last Day | School Days | Break Days |
|---|---|---|---|---|
| 2024-2025 | Aug 23 | May 21 | 166 | 33 |
| 2025-2026 | Aug 18 | May 21 | 168 | 37 |
| 2026-2027 | Aug 26 | May 27 | 197 | 0 |
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