Idaho has 67 school districts across 64 cities with calendar data for the 2025-26 school year. Districts average 171 instructional days per year.
Academic Calendar Overview
Idaho school districts follow a 2025-26 academic calendar that spans from August 4, 2025 through June 30, 2026. With 67 districts across 64 cities and communities, Idaho families have a wide range of schedules to navigate depending on where they live. Understanding when school starts, when breaks fall, and how many instructional days your child will have helps parents plan vacations, childcare, and family activities around the academic year. With an average of 171 instructional days required per year, Idaho school districts must carefully balance state mandates with local scheduling needs, including teacher planning days, professional development, and weather makeup days.
When Does School Start?
The earliest Idaho districts begin classes on August 4, 2025, while others do not start until September 3, 2025 — a spread of 30 days that reflects the diverse local priorities and climate conditions across the state. Districts that start earlier in the summer tend to align breaks with local events or agricultural cycles, while later-starting districts may preserve more of the traditional summer for families. This variation means a family moving from one Idaho district to another could encounter a schedule shift of several weeks, making it important to verify your specific district's calendar each year. Across Idaho, districts average 171 instructional days — a figure set by state education mandates but often exceeded by individual districts that build in additional learning time.
Break Schedules
For the 2025-26 academic year, the most common spring break window in Idaho runs from March 23, 2026 through March 27, 2026, a schedule shared by 13 districts. Families planning spring travel should be aware that while this is the dominant pattern, not all Idaho districts follow the same dates — some districts schedule spring break a week earlier or later based on local traditions or the academic calendar layout. Winter break — the longest scheduled recess of the school year — most commonly begins December 22, 2025 and runs through January 2, 2026 for 27 Idaho districts. This multi-week window is a critical planning period for families booking holiday travel, managing childcare during the break, and coordinating with extended family schedules.
Data Sources & Accuracy
Major Idaho communities including Shelley, Mountain Home, Midvale, and Lowman are represented in our dataset, alongside hundreds of smaller districts across the state. All calendar data on this site is sourced directly from official Idaho school district websites, PDF calendars, and district-published iCal feeds. The data is refreshed regularly to reflect mid-year amendments, snow day adjustments, and any changes announced by districts after the start of the school year. While we work to keep information current, parents should always verify critical dates — such as the first day of school, standardized testing windows, and graduation ceremonies — against their district's official website or the district office directly. Use the district links below to navigate to your specific school calendar page, where you can view the full schedule and download an iCal file for Apple Calendar, Google Calendar, or Outlook.
Top Cities by District Count
Compare School Calendars
Showing districts with available 2025-26 calendar data. Data updates daily.
| District | First Day | Last Day | Spring Break | Winter Break |
|---|---|---|---|---|
| Arbon Elementary School District 383 | Aug 25 | May 26 | Mar 22 | Dec 18 |
| Bear Lake County School District 33 | Aug 25 | May 27 | Mar 29 | Dec 21 |
| Blaine County School District 61 | Aug 25 | Jun 3 | Mar 22 | Dec 21 |
| Buhl Joint School District 412 | Aug 11 | May 27 | Mar 22 | Dec 21 |
| Caldwell School District 132 | Aug 19 | May 27 | Mar 15 | Dec 21 |
| Castleford School District 417 | Aug 13 | May 27 | Mar 23 | Dec 22 |
A3 districts
B10 districts
Idaho City
Bear Lake County School District 33Montpelier
Blackfoot School District 55Blackfoot
Blaine County School District 61Carey
Bliss Joint School District 234Bliss
Boise City Independent School District 1Boise City
Bonneville Joint School District 93Ammon
Bruneau-Grand View Joint School District 365Bruneau
Buhl Joint School District 412Hagerman
Butte County Joint School District 111Moore
C12 districts
Caldwell
Camas County School District 121Fairfield
Cambridge Joint School District 432Cambridge
Cascade School District 422Lowman
Cassia County Joint School District 151Albion
Castleford School District 417Castleford
Challis Joint School District 181Clayton
Clark County School District 161Dubois
Coeur d'Alene School District 271Fernan Lake Village
Cottonwood Joint School District 242Cottonwood
Council School District 13Council
Culdesac Joint School District 342Culdesac
D1 district
E1 district
F4 districts
G5 districts
H5 districts
I1 district
J2 districts
K6 districts
L4 districts
M16 districts
Mackay
Madison School District 321Rexburg
Marsh Valley Joint School District 21Arimo
Marsing Joint School District 363Marsing
McCall-Donnelly Joint School District 421Yellow Pine
Meadows Valley School District 11New Meadows
Melba Joint School District 136Murphy
Meridian Joint School District 2Kuna
Middleton School District 134Middleton
Midvale School District 433Midvale
Minidoka County Joint School District 331Acequia
Moscow School District 281Moscow
Mountain Home School District 193Mountain Home
Mountain View School District 244Elk City
Mullan School District 392Mullan
Murtaugh Joint School District 418Murtaugh
N5 districts
O2 districts
P9 districts
Parma
Payette Joint School District 371New Plymouth
Pleasant Valley Elementary School District 364Plummer-Worley Joint School District 44Plummer
Pocatello School District 25Chubbuck
Post Falls School District 273Post Falls
Potlatch School District 285Princeton
Prairie Elementary School District 191Mountain Home
Preston Joint School District 201Preston
R3 districts
S9 districts
Riggins
Salmon School District 291Salmon
Shelley Joint School District 60Shelley
Shoshone Joint School District 312Dietrich
Snake River School District 52Rockford
Soda Springs Joint School District 150Soda Springs
St. Maries Joint School District 41St. Maries
Sugar-Salem Joint School District 322Sugar City
Swan Valley Elementary School District 92Irwin
T4 districts
V2 districts
W8 districts
Osburn
Weiser School District 431Midvale
Wendell School District 232Wendell
West Bonner County School District 83Coolin
West Jefferson School District 253Mud Lake
West Side Joint School District 202Clifton
Whitepine Joint School District 288Elk River
Wilder School District 133Wilder
Frequently Asked Questions
When does school start in Idaho?
For the 2025-26 school year, the first day of school in Idaho ranges from August 4, 2025 to September 3, 2025, depending on the district. Check individual district calendars below for exact dates.
When is the last day of school in Idaho?
The last day of school in Idaho for 2025-26 ranges from May 14, 2026 to June 30, 2026. Each district sets its own end date based on local scheduling.
When is spring break in Idaho?
The most common spring break dates in Idaho for 2025-26 are March 23, 2026 to March 27, 2026, shared by 13 districts. Other districts may have different dates — check your district's calendar for exact spring break timing.
How many school districts are in Idaho?
We have calendar data for 67 school districts in Idaho, spanning 64 cities. The average school year includes 171 instructional days.