Idaho School Calendars

105 school districts

Idaho has 84 school districts across 78 cities with calendar data for the 2025-26 school year. Districts average 173 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 84 districts across 78 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 173 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 4, 2025 — a spread of 31 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 173 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 14 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 38 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.

First Day of School
Aug 4Sep 4
Last Day of School
May 5Jun 30
Most Common Spring Break
Mar 23Mar 27
14 districts
Most Common Winter Break
Dec 22Jan 2
38 districts

Top Cities by District Count

Shelley(2)Mountain Home(2)Midvale(2)Lowman(2)Kuna(2)Hagerman(2)Dietrich(2)Castleford(2)Yellow Pine(1)Winchester(1)

Compare School Calendars

Showing districts with available 2025-26 calendar data. Data updates daily.

DistrictFirst DayLast DaySpring BreakWinter Break
Aberdeen School District 58Aug 13Jun 3Mar 24Dec 21
American Falls Joint School District 381Aug 24Jun 3Mar 22Dec 21
Basin School District 72Aug 18May 27Mar 22Dec 21
Bear Lake County School District 33Aug 25May 27Mar 29Dec 21
Blackfoot School District 55Aug 24May 27Mar 22Dec 21
Blaine County School District 61Aug 25Jun 3Mar 22Dec 21
Bliss Joint School District 234Aug 18May 27Mar 30Dec 22
Boise City Independent School District 1Aug 6May 21Mar 15Dec 21
Bonneville Joint School District 93Aug 31Jun 3Mar 22Dec 21
Bruneau-Grand View Joint School District 365Aug 21May 5Mar 30Dec 22
Buhl Joint School District 412Aug 11May 27Mar 22Dec 21
Butte County Joint School District 111Aug 13Jun 5Apr 3Dec 22
Caldwell School District 132Aug 19May 27Mar 15Dec 21
Camas County School District 121Aug 17Jun 3Mar 22Dec 18
Cambridge Joint School District 432Aug 31Jun 4Mar 22Dec 21
Cascade School District 422Aug 13Jun 4Apr 6Dec 22
Cassia County Joint School District 151Aug 25May 27Mar 22Dec 18
Castleford School District 417Aug 13May 27Mar 23Dec 22
Challis Joint School District 181Sep 2Jun 11Apr 6Dec 22
Clark County School District 161Aug 25May 27Mar 22Dec 21

A2 districts

B10 districts

C12 districts

D1 district

E1 district

F4 districts

G5 districts

H5 districts

I1 district

J2 districts

K5 districts

L4 districts

M15 districts

N3 districts

O2 districts

P9 districts

R3 districts

S10 districts

T3 districts

V1 district

W7 districts

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 4, 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 5, 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 14 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 84 school districts in Idaho, spanning 78 cities. The average school year includes 173 instructional days.