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Okoboji School IA Calendar 26-27

  • 2026/27
  • Iowa
  • 11 teacher days

The Okoboji School 2026–27 school year runs from Aug 24, 2026 to May 27, 2027. Breaks include Thanksgiving break Nov 25, winter break Dec 21-24, and spring break Mar 15-19. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Mon, Aug 24, 2026 First Day of School (9th-12th Grade)
School year ends Thu, May 27, 2027 Last Day of School (Noon Dismissal)
Next key date Mon, Aug 24, 2026 Counts down once the school year is under way

Okoboji School 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Okoboji School 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
  • Teacher / professional day
  • Parent-teacher conference
  • Testing / exams
  • Graduation
  • Other scheduled date

August 2026

  • Aug 11-12, 2026 — New Staff Inservice
  • Aug 17-21, 2026 — Teacher Pre-Inservice
  • Aug 24, 2026 — First Day of School (9th-12th Grade)
  • Aug 24, 2026 — Intake Conferences (PK-8th) 11am-6pm
  • Aug 25, 2026 — First Day of School (K-8th Grade)

September 2026

  • Sep 7, 2026 — Labor Day (No School)
  • Sep 21, 2026 — Teacher Inservice (No School)

October 2026

  • Oct 5, 2026 — Teacher Inservice (No School)
  • Oct 27, 2026 — Parent/Teacher Conferences 4:30pm-8pm
  • Oct 29, 2026 — Noon Dismissal for Parent/Teacher Conferences
  • Oct 29, 2026 — Parent/Teacher Conferences 1pm-8pm
  • Oct 30, 2026 — No School (Teacher Comp Day)

November 2026

  • Nov 2, 2026 — Teacher Inservice (No School)
  • Nov 25, 2026 — No School (Thanksgiving Break)
  • Nov 26, 2026 — Thanksgiving (No School)
  • Nov 27, 2026 — No School (Thanksgiving Break)

December 2026

  • Dec 21-24, 2026 — Winter Break (No School)
  • Dec 25, 2026 — Christmas Day (No School)
  • Dec 26-31, 2026 — Winter Break (No School)

January 2027

  • Jan 1, 2027 — New Year's Day (No School)
  • Jan 4, 2027 — Teacher Inservice (No School)
  • Jan 5, 2027 — Start 2nd Semester

February 2027

  • Feb 1, 2027 — Teacher Inservice (No School)
  • Feb 23, 2027 — Parent/Teacher Conferences 4:30pm-8pm (K-6)
  • Feb 25, 2027 — Noon Dismissal for Parent/Teacher Conferences
  • Feb 25, 2027 — Parent/Teacher Conferences 1pm-8pm (K-12)
  • Feb 26, 2027 — No School (Teacher Comp Day)

March 2027

  • Mar 15-19, 2027 — Spring Break (No School)
  • Mar 26, 2027 — Good Friday (No School)
  • Mar 29, 2027 — Teacher Inservice (No School)

April 2027

  • Apr 12-16, 2027 — ISASP (State Required) Testing
  • Apr 19, 2027 — Teacher Inservice (No School)

May 2027

  • May 3, 2027 — Teacher Inservice (No School)
  • May 16, 2027 — Graduation
  • May 26, 2027 — MS Capstone Evening
  • May 26, 2027 — May Term Public Presentation Evening
  • May 27, 2027 — Last Day of School (Noon Dismissal)

June 2027

July 2027

Okoboji School teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Aug 11-12, 2026 New Staff Inservice District source
  • Aug 17-21, 2026 Teacher Pre-Inservice District source
  • Sep 21, 2026 Teacher Inservice (No School) District source
  • Oct 5, 2026 Teacher Inservice (No School) District source
  • Nov 2, 2026 Teacher Inservice (No School) District source
  • Jan 4, 2027 Teacher Inservice (No School) District source
  • Feb 1, 2027 Teacher Inservice (No School) District source
  • Mar 29, 2027 Teacher Inservice (No School) District source
  • Apr 19, 2027 Teacher Inservice (No School) District source
  • May 3, 2027 Teacher Inservice (No School) District source
  • May 28, 2027 Teacher Inservice (No School) District source

Okoboji School breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day (No School) Holiday
  • Oct 30, 2026 No School (Teacher Comp Day) Holiday
  • Nov 25, 2026 No School (Thanksgiving Break) Break
  • Nov 26, 2026 Thanksgiving (No School) Holiday
  • Nov 27, 2026 No School (Thanksgiving Break) Break
  • Dec 21-24, 2026 Winter Break (No School) Break
  • Dec 25, 2026 Christmas Day (No School) Holiday
  • Dec 26-31, 2026 Winter Break (No School) Break
  • Jan 1, 2027 New Year's Day (No School) Holiday
  • Feb 26, 2027 No School (Teacher Comp Day) Holiday
  • Mar 15-19, 2027 Spring Break (No School) Break
  • Mar 26, 2027 Good Friday (No School) Holiday
  • May 31, 2027 Memorial Day (No School) Holiday

Your checked 2026/27 Okoboji School planning calendar

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

Useful now39 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 July 10, 2026.
Full term dates table

Okoboji School 2026–27 calendar dates

DateEvent
Aug 11-12, 2026New Staff Inservice
Aug 17-21, 2026Teacher Pre-Inservice
Aug 24, 2026First Day of School (9th-12th Grade)
Aug 24, 2026Intake Conferences (PK-8th) 11am-6pm
Aug 25, 2026First Day of School (K-8th Grade)
Sep 7, 2026Labor Day (No School)
Sep 21, 2026Teacher Inservice (No School)
Oct 5, 2026Teacher Inservice (No School)
Oct 27, 2026Parent/Teacher Conferences 4:30pm-8pm
Oct 29, 2026Noon Dismissal for Parent/Teacher Conferences
Oct 29, 2026Parent/Teacher Conferences 1pm-8pm
Oct 30, 2026No School (Teacher Comp Day)
Nov 2, 2026Teacher Inservice (No School)
Nov 25, 2026No School (Thanksgiving Break)
Nov 26, 2026Thanksgiving (No School)
Nov 27, 2026No School (Thanksgiving Break)
Dec 21-24, 2026Winter Break (No School)
Dec 25, 2026Christmas Day (No School)
Dec 26-31, 2026Winter Break (No School)
Jan 1, 2027New Year's Day (No School)
Jan 4, 2027Teacher Inservice (No School)
Jan 5, 2027Start 2nd Semester
Feb 1, 2027Teacher Inservice (No School)
Feb 23, 2027Parent/Teacher Conferences 4:30pm-8pm (K-6)
Feb 25, 2027Noon Dismissal for Parent/Teacher Conferences
Feb 25, 2027Parent/Teacher Conferences 1pm-8pm (K-12)
Feb 26, 2027No School (Teacher Comp Day)
Mar 15-19, 2027Spring Break (No School)
Mar 26, 2027Good Friday (No School)
Mar 29, 2027Teacher Inservice (No School)
Apr 12-16, 2027ISASP (State Required) Testing
Apr 19, 2027Teacher Inservice (No School)
May 3, 2027Teacher Inservice (No School)
May 16, 2027Graduation
May 26, 2027MS Capstone Evening
May 26, 2027May Term Public Presentation Evening
May 27, 2027Last Day of School (Noon Dismissal)
May 28, 2027Teacher Inservice (No School)
May 31, 2027Memorial Day (No School)

Okoboji School Calendar 26-27 pdf FAQs

When is the first day of school in Okoboji School Calendar 2026-2027?
The first day of school for students in grades 9-12 is August 24, 2026. Students in grades K-8 begin school on August 25, 2026.
When is Spring Break in Okoboji School Calendar 2026-2027?
Spring Break is scheduled from March 15-19, 2027. There will be no school during these dates.
When is Christmas Break in Okoboji School Calendar 2026-2027?
Christmas Day holiday is observed on December 25, 2026, with Winter Break surrounding the holiday.
When is Winter Break in Okoboji School Calendar 2026-2027?
Winter Break runs from December 21-31, 2026, including Christmas Day. School resumes with the second semester beginning on January 5, 2027.
When is Thanksgiving Break in Okoboji School Calendar 2026-2027?
Thanksgiving Break begins on November 25, 2026. Thanksgiving Day is November 26, 2026, and the break continues through November 27, 2026.
When is the last day of school in Okoboji School Calendar 2026-2027?
The last day of school for students is May 27, 2027, and it will be a noon dismissal.
When does the second semester begin in Okoboji School Calendar 2026-2027?
The second semester begins on January 5, 2027.
When is Labor Day in Okoboji School Calendar 2026-2027?
Labor Day is observed on September 7, 2026, and there will be no school.
When is Good Friday in Okoboji School Calendar 2026-2027?
Good Friday will be observed on March 26, 2027, with no school for students.
When is Graduation in Okoboji School Calendar 2026-2027?
Graduation is scheduled for May 16, 2027.
When are Parent-Teacher Conferences in Okoboji School Calendar 2026-2027?
Parent-Teacher Conferences are scheduled on October 27 & 29, 2026 and February 23 & 25, 2027. Noon dismissals are held on October 29 and February 25.
When is Memorial Day in Okoboji School Calendar 2026-2027?
Memorial Day is observed on May 31, 2027, with no school.
When is ISASP Testing in Okoboji School Calendar 2026-2027?
ISASP (State Required) Testing is scheduled from April 12-16, 2027.
Are there Teacher Inservice days with no school in Okoboji School Calendar 2026-2027?
Yes. Teacher Inservice (No School) days are scheduled on September 21, October 5, November 2, January 4, February 1, March 29, April 19, May 3, and May 28, 2027.

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Okoboji School calendar FAQs

When is the first day of school in Okoboji School Calendar 2026-2027?
The first day of school for students in grades 9-12 is August 24, 2026. Students in grades K-8 begin school on August 25, 2026.
When is Spring Break in Okoboji School Calendar 2026-2027?
Spring Break is scheduled from March 15-19, 2027. There will be no school during these dates.
When is Christmas Break in Okoboji School Calendar 2026-2027?
Christmas Day holiday is observed on December 25, 2026, with Winter Break surrounding the holiday.
When is Winter Break in Okoboji School Calendar 2026-2027?
Winter Break runs from December 21-31, 2026, including Christmas Day. School resumes with the second semester beginning on January 5, 2027.
When is Thanksgiving Break in Okoboji School Calendar 2026-2027?
Thanksgiving Break begins on November 25, 2026. Thanksgiving Day is November 26, 2026, and the break continues through November 27, 2026.
When is the last day of school in Okoboji School Calendar 2026-2027?
The last day of school for students is May 27, 2027, and it will be a noon dismissal.
When does the second semester begin in Okoboji School Calendar 2026-2027?
The second semester begins on January 5, 2027.
When is Labor Day in Okoboji School Calendar 2026-2027?
Labor Day is observed on September 7, 2026, and there will be no school.
When is Good Friday in Okoboji School Calendar 2026-2027?
Good Friday will be observed on March 26, 2027, with no school for students.
When is Graduation in Okoboji School Calendar 2026-2027?
Graduation is scheduled for May 16, 2027.
When are Parent-Teacher Conferences in Okoboji School Calendar 2026-2027?
Parent-Teacher Conferences are scheduled on October 27 & 29, 2026 and February 23 & 25, 2027. Noon dismissals are held on October 29 and February 25.
When is Memorial Day in Okoboji School Calendar 2026-2027?
Memorial Day is observed on May 31, 2027, with no school.
When is ISASP Testing in Okoboji School Calendar 2026-2027?
ISASP (State Required) Testing is scheduled from April 12-16, 2027.
Are there Teacher Inservice days with no school in Okoboji School Calendar 2026-2027?
Yes. Teacher Inservice (No School) days are scheduled on September 21, October 5, November 2, January 4, February 1, March 29, April 19, May 3, and May 28, 2027.

Dates can change after publication. Read our calendar disclaimer.