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MINIDOKA COUNTY SCHOOL DISTRICT #331 ID Calendar 26-27

  • 2026/27
  • Idaho

The MINIDOKA COUNTY SCHOOL DISTRICT #331 2026–27 school year runs from Aug 17, 2026 to May 20, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 21-31, and spring break Mar 22-26. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Mon, Aug 17, 2026 First Day of School
School year ends Thu, May 27, 2027 Last Day of School, 1:00 Dismissal
Next key date Mon, Aug 17, 2026 Counts down once the school year is under way

MINIDOKA COUNTY SCHOOL DISTRICT #331 2026-27 calendar

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MINIDOKA COUNTY SCHOOL DISTRICT #331 school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Early release / half day
  • Graduation
  • Other scheduled date

August 2026

  • Aug 3, 2026 — Registration at East Minico (Acequia, Rupert, East Minico)
  • Aug 3, 2026 — Registration: Minico/MHHS New Students
  • Aug 4, 2026 — Registration at West Minico (Heyburn, Paul, West) MHHS
  • Aug 4-5, 2026 — Registration Minico
  • Aug 13, 2026 — Orientation 6th & 9th

September 2026

  • Sep 7, 2026 — Labor Day, No School

October 2026

  • Oct 15, 2026 — Mt. Harrison HS Student Showcase 5-6
  • Oct 22, 2026 — 2 Hr Early Dismissal/PTC (No Half Day Kinder)
  • Oct 23, 2026 — PTC 8:00 AM-12:00 PM (Half Day)
  • Oct 26, 2026 — Mt. Harrison 2nd Quarter Starts

November 2026

  • Nov 25-27, 2026 — Thanksgiving Break, No School

December 2026

  • Dec 21-31, 2026 — Christmas Break, No School

January 2027

  • Jan 1, 2027 — New Year's Day
  • Jan 1-2, 2027 — Christmas Break
  • Jan 4, 2027 — 2nd Semester Starts
  • Jan 7, 2027 — Mt. Harrison HS Student Showcase 5-6
  • Jan 11, 2027 — MHHS 3rd Quarter Starts

February 2027

  • Feb 15, 2027 — Presidents Day, No School

March 2027

  • Mar 11, 2027 — 2 Hr Early Dismissal/PTC (No Half Day Kinder)
  • Mar 11, 2027 — Mt. Harrison HS Student Showcase 5-6
  • Mar 12, 2027 — PTC 8:00 AM-12:00 PM (Half Day)
  • Mar 22-26, 2027 — Spring Break, No School
  • Mar 29, 2027 — Mt. Harrison 4th Quarter Starts

April 2027

  • Apr 23, 2027 — Kindergarten Pre-Registration

May 2027

  • May 20, 2027 — Last Day for Preschool
  • May 25, 2027 — Mt. Harrison Graduation
  • May 27, 2027 — Minico Graduation
  • May 27, 2027 — Last Day of School, 1:00 Dismissal
  • May 31, 2027 — Memorial Day, No School

June 2027

July 2027

MINIDOKA COUNTY SCHOOL DISTRICT #331 breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day, No School Holiday
  • Nov 25-27, 2026 Thanksgiving Break, No School Break
  • Dec 21-31, 2026 Christmas Break, No School Break
  • Jan 1-2, 2027 Christmas Break Break
  • Jan 1, 2027 New Year's Day Holiday
  • Feb 15, 2027 Presidents Day, No School Holiday
  • Mar 22-26, 2027 Spring Break, No School Break
  • May 31, 2027 Memorial Day, No School Holiday

Your checked 2026/27 MINIDOKA COUNTY SCHOOL DISTRICT #331 planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now30 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated April 30, 2026.
Full term dates table

MINIDOKA COUNTY SCHOOL DISTRICT #331 2026–27 calendar dates

DateEvent
Aug 3, 2026Registration at East Minico (Acequia, Rupert, East Minico)
Aug 3, 2026Registration: Minico/MHHS New Students
Aug 4, 2026Registration at West Minico (Heyburn, Paul, West) MHHS
Aug 4-5, 2026Registration Minico
Aug 13, 2026Orientation 6th & 9th
Aug 17, 2026First Day of School
Sep 7, 2026Labor Day, No School
Oct 15, 2026Mt. Harrison HS Student Showcase 5-6
Oct 22, 20262 Hr Early Dismissal/PTC (No Half Day Kinder)
Oct 23, 2026PTC 8:00 AM-12:00 PM (Half Day)
Oct 26, 2026Mt. Harrison 2nd Quarter Starts
Nov 25-27, 2026Thanksgiving Break, No School
Dec 21-31, 2026Christmas Break, No School
Jan 1, 2027New Year's Day
Jan 1-2, 2027Christmas Break
Jan 4, 20272nd Semester Starts
Jan 7, 2027Mt. Harrison HS Student Showcase 5-6
Jan 11, 2027MHHS 3rd Quarter Starts
Feb 15, 2027Presidents Day, No School
Mar 11, 20272 Hr Early Dismissal/PTC (No Half Day Kinder)
Mar 11, 2027Mt. Harrison HS Student Showcase 5-6
Mar 12, 2027PTC 8:00 AM-12:00 PM (Half Day)
Mar 22-26, 2027Spring Break, No School
Mar 29, 2027Mt. Harrison 4th Quarter Starts
Apr 23, 2027Kindergarten Pre-Registration
May 20, 2027Last Day for Preschool
May 25, 2027Mt. Harrison Graduation
May 27, 2027Minico Graduation
May 27, 2027Last Day of School, 1:00 Dismissal
May 31, 2027Memorial Day, No School

MINIDOKA COUNTY SCHOOL DISTRICT #331 Calendar 2026-2027 – Important Dates

When is the first day of school in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
The first day of school for the 2026-2027 school year is August 17, 2026.
When is Spring Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Spring Break is scheduled from March 22 through March 26, 2027. There will be no school during these dates.
When is Christmas Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through December 31, 2026. January 1–2, 2027 are also part of the holiday break.
When is Winter Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Winter Break coincides with Christmas Break and runs from December 21, 2026 through January 2, 2027.
When is Thanksgiving Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Thanksgiving Break is scheduled from November 25 through November 27, 2026. There will be no school during these dates.
When is the last day of school in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
The last day of school is May 27, 2027. It will be an early release day with a 1:00 PM dismissal.
When does the second semester start in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
The second semester begins on January 4, 2027.
When is Presidents Day in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Presidents Day is observed on February 15, 2027. There will be no school on this day.
When is Memorial Day in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Memorial Day will be observed on May 31, 2027, and there will be no school.
When are graduation ceremonies for MINIDOKA COUNTY SCHOOL DISTRICT #331 in 2026-2027?
Mt. Harrison Graduation is on May 25, 2027, and Minico Graduation is on May 27, 2027.

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MINIDOKA COUNTY SCHOOL DISTRICT #331 calendar FAQs

When is the first day of school in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
The first day of school for the 2026-2027 school year is August 17, 2026.
When is Spring Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Spring Break is scheduled from March 22 through March 26, 2027. There will be no school during these dates.
When is Christmas Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through December 31, 2026. January 1–2, 2027 are also part of the holiday break.
When is Winter Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Winter Break coincides with Christmas Break and runs from December 21, 2026 through January 2, 2027.
When is Thanksgiving Break in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Thanksgiving Break is scheduled from November 25 through November 27, 2026. There will be no school during these dates.
When is the last day of school in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
The last day of school is May 27, 2027. It will be an early release day with a 1:00 PM dismissal.
When does the second semester start in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
The second semester begins on January 4, 2027.
When is Presidents Day in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Presidents Day is observed on February 15, 2027. There will be no school on this day.
When is Memorial Day in MINIDOKA COUNTY SCHOOL DISTRICT #331 for 2026-2027?
Memorial Day will be observed on May 31, 2027, and there will be no school.
When are graduation ceremonies for MINIDOKA COUNTY SCHOOL DISTRICT #331 in 2026-2027?
Mt. Harrison Graduation is on May 25, 2027, and Minico Graduation is on May 27, 2027.

Dates can change after publication. Read our calendar disclaimer.