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SEA MI Calendar 26-27

  • 2026/27
  • Michigan
  • 6 teacher days

The SEA 2026–27 school year runs from Aug 31, 2026 to Jun 16, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 18, and spring break Mar 25. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Mon, Aug 31, 2026 First Day of School for Non-KLC Students
School year ends Wed, Jun 16, 2027 Last Student Day for Non-KLC Students - Half Day District-Wide
Next key date Mon, Aug 31, 2026 Counts down once the school year is under way

SEA 2026-27 calendar

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SEA 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
  • Early release / half day
  • Testing / exams
  • Graduation
  • Other scheduled date

August 2026

  • Aug 25, 2026 — District-Wide Opening Day and Professional Development
  • Aug 26, 2026 — Building Professional Development and Teacher Preparation Day
  • Aug 27, 2026 — Teacher Preparation Day - No Meetings
  • Aug 28, 2026 — Staff Not Required to Report
  • Aug 31, 2026 — First Day of School for Non-KLC Students

September 2026

  • Sep 4-7, 2026 — Labor Day Recess - No School
  • Sep 8, 2026 — Classes Resume for All Students
  • Sep 23, 2026 — District Professional Development Day

October 2026

  • Oct 1-30, 2026 — High School PSAT, PSAT 9 and NMSQT Testing Window
  • Oct 14, 2026 — District Professional Development Day

November 2026

  • Nov 3, 2026 — District Professional Development Day
  • Nov 25-27, 2026 — Thanksgiving Recess - No School

December 2026

  • Dec 18, 2026 — Winter Recess Begins at the End of the School Day
  • Dec 21, 2026-Jan 1, 2027 — Winter Recess - No School

January 2027

  • Dec 21, 2026-Jan 1, 2027 — Winter Recess - No School
  • Jan 4, 2027 — Classes Resume
  • Jan 13-15, 2027 — High School Exams - Half Days for High School Students
  • Jan 18, 2027 — Dr. Martin Luther King Jr. Day - No School
  • Jan 19, 2027 — Records Day - No Students Pre-K-12

February 2027

  • Feb 12, 2027 — Mid-Winter Recess Begins at the End of the School Day
  • Feb 15-19, 2027 — Mid-Winter Recess - No School
  • Feb 22, 2027 — Classes Resume

March 2027

  • Mar 10, 2027 — District Professional Development Day
  • Mar 25, 2027 — Spring Recess Begins at the End of the School Day
  • Mar 26-Apr 2, 2027 — Spring Recess - No School

April 2027

  • Mar 26-Apr 2, 2027 — Spring Recess - No School
  • Apr 5, 2027 — Classes Resume
  • Apr 6-9, 2027 — Tentative High School Testing

May 2027

  • May 28-31, 2027 — Memorial Day Recess - No School

June 2027

  • Jun 4, 2027 — High School Graduation Ceremonies
  • Jun 14-16, 2027 — High School Final Exams - Half Days for High School Students
  • Jun 16, 2027 — Last Student Day for Non-KLC Students - Half Day District-Wide
  • Jun 17, 2027 — Records Day for All Staff

July 2027

SEA teacher and staff days 2026/27

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

  • Aug 25, 2026 District-Wide Opening Day and Professional Development District source
  • Aug 26, 2026 Building Professional Development and Teacher Preparation Day District source
  • Sep 23, 2026 District Professional Development Day District source
  • Oct 14, 2026 District Professional Development Day District source
  • Nov 3, 2026 District Professional Development Day District source
  • Mar 10, 2027 District Professional Development Day District source

SEA breaks and holidays

School is closed to students on these dates.

  • Sep 4-7, 2026 Labor Day Recess - No School Break
  • Nov 25-27, 2026 Thanksgiving Recess - No School Break
  • Dec 18, 2026 Winter Recess Begins at the End of the School Day Break
  • Dec 21, 2026-Jan 1, 2027 Winter Recess - No School Break
  • Jan 18, 2027 Dr. Martin Luther King Jr. Day - No School Holiday
  • Feb 12, 2027 Mid-Winter Recess Begins at the End of the School Day Break
  • Feb 15-19, 2027 Mid-Winter Recess - No School Break
  • Mar 25, 2027 Spring Recess Begins at the End of the School Day Break
  • Mar 26-Apr 2, 2027 Spring Recess - No School Break
  • May 28-31, 2027 Memorial Day Recess - No School Break

Your checked 2026/27 SEA planning calendar

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

Useful now32 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 August 1, 2026.
Full term dates table

SEA ,MI 2026–27 calendar dates

DateEvent
Aug 25, 2026District-Wide Opening Day and Professional Development
Aug 26, 2026Building Professional Development and Teacher Preparation Day
Aug 27, 2026Teacher Preparation Day - No Meetings
Aug 28, 2026Staff Not Required to Report
Aug 31, 2026First Day of School for Non-KLC Students
Sep 4-7, 2026Labor Day Recess - No School
Sep 8, 2026Classes Resume for All Students
Sep 23, 2026District Professional Development Day
Oct 1-30, 2026High School PSAT, PSAT 9 and NMSQT Testing Window
Oct 14, 2026District Professional Development Day
Nov 3, 2026District Professional Development Day
Nov 25-27, 2026Thanksgiving Recess - No School
Dec 18, 2026Winter Recess Begins at the End of the School Day
Dec 21, 2026-Jan 1, 2027Winter Recess - No School
Jan 4, 2027Classes Resume
Jan 13-15, 2027High School Exams - Half Days for High School Students
Jan 18, 2027Dr. Martin Luther King Jr. Day - No School
Jan 19, 2027Records Day - No Students Pre-K-12
Jan 20, 2027Second Semester Begins
Feb 12, 2027Mid-Winter Recess Begins at the End of the School Day
Feb 15-19, 2027Mid-Winter Recess - No School
Feb 22, 2027Classes Resume
Mar 10, 2027District Professional Development Day
Mar 25, 2027Spring Recess Begins at the End of the School Day
Mar 26-Apr 2, 2027Spring Recess - No School
Apr 5, 2027Classes Resume
Apr 6-9, 2027Tentative High School Testing
May 28-31, 2027Memorial Day Recess - No School
Jun 4, 2027High School Graduation Ceremonies
Jun 14-16, 2027High School Final Exams - Half Days for High School Students
Jun 16, 2027Last Student Day for Non-KLC Students - Half Day District-Wide
Jun 17, 2027Records Day for All Staff

SEA Calendar 26-27 ,MI PDF FAQs

When is the first day of school in SEA for the 2026-2027 school year?
The first day of school for non-KLC students in SEA is Monday, August 31, 2026.
When is Labor Day recess in SEA for the 2026-2027 school year?
Labor Day recess is from Friday, September 4 through Monday, September 7, 2026. Classes resume for all students on Tuesday, September 8, 2026.
When is Thanksgiving break in SEA for the 2026-2027 school year?
Thanksgiving recess is from Wednesday, November 25 through Friday, November 27, 2026.
When is Christmas break in SEA for the 2026-2027 school year?
Christmas break is included in winter recess. Winter recess begins after school on Friday, December 18, 2026, and continues from Monday, December 21, 2026 through Friday, January 1, 2027.
When is winter break in SEA for the 2026-2027 school year?
Winter recess begins at the end of the school day on Friday, December 18, 2026. The scheduled recess runs from December 21, 2026 through January 1, 2027, and classes resume on Monday, January 4, 2027.
When is Martin Luther King Jr. Day in SEA for the 2026-2027 school year?
SEA schools are closed for Dr. Martin Luther King Jr. Day on Monday, January 18, 2027.
When does the second semester begin in SEA for the 2026-2027 school year?
The second semester begins on Wednesday, January 20, 2027.
When is mid-winter break in SEA for the 2026-2027 school year?
Mid-winter recess begins after school on Friday, February 12, 2027. The break runs from Monday, February 15 through Friday, February 19, 2027, and classes resume on Monday, February 22, 2027.
When is spring break in SEA for the 2026-2027 school year?
Spring recess begins at the end of the school day on Thursday, March 25, 2027. The break runs from Friday, March 26 through Friday, April 2, 2027, and classes resume on Monday, April 5, 2027.
When is Memorial Day recess in SEA for the 2026-2027 school year?
Memorial Day recess is from Friday, May 28 through Monday, May 31, 2027.
When are the high school graduation ceremonies in SEA for the 2026-2027 school year?
High school graduation ceremonies are scheduled for Friday, June 4, 2027.
When are high school final exams in SEA for the 2026-2027 school year?
High school final exams are scheduled from Monday, June 14 through Wednesday, June 16, 2027. These are half-day morning sessions for high school students.
When is the last day of school in SEA for the 2026-2027 school year?
The last student day for non-KLC students is Wednesday, June 16, 2027. It is a half-day district-wide for Pre-K through Grade 12 students.
When are the professional development days in SEA for the 2026-2027 school year?
District professional development days are scheduled for August 25, August 26, September 23, October 14, November 3, 2026, and March 10, 2027.
When is Records Day in SEA for the 2026-2027 school year?
A Records Day with no students is scheduled for Tuesday, January 19, 2027. An additional staff Records Day is scheduled for Thursday, June 17, 2027.

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SEA calendar FAQs

When is the first day of school in SEA for the 2026-2027 school year?
The first day of school for non-KLC students in SEA is Monday, August 31, 2026.
When is Labor Day recess in SEA for the 2026-2027 school year?
Labor Day recess is from Friday, September 4 through Monday, September 7, 2026. Classes resume for all students on Tuesday, September 8, 2026.
When is Thanksgiving break in SEA for the 2026-2027 school year?
Thanksgiving recess is from Wednesday, November 25 through Friday, November 27, 2026.
When is Christmas break in SEA for the 2026-2027 school year?
Christmas break is included in winter recess. Winter recess begins after school on Friday, December 18, 2026, and continues from Monday, December 21, 2026 through Friday, January 1, 2027.
When is winter break in SEA for the 2026-2027 school year?
Winter recess begins at the end of the school day on Friday, December 18, 2026. The scheduled recess runs from December 21, 2026 through January 1, 2027, and classes resume on Monday, January 4, 2027.
When is Martin Luther King Jr. Day in SEA for the 2026-2027 school year?
SEA schools are closed for Dr. Martin Luther King Jr. Day on Monday, January 18, 2027.
When does the second semester begin in SEA for the 2026-2027 school year?
The second semester begins on Wednesday, January 20, 2027.
When is mid-winter break in SEA for the 2026-2027 school year?
Mid-winter recess begins after school on Friday, February 12, 2027. The break runs from Monday, February 15 through Friday, February 19, 2027, and classes resume on Monday, February 22, 2027.
When is spring break in SEA for the 2026-2027 school year?
Spring recess begins at the end of the school day on Thursday, March 25, 2027. The break runs from Friday, March 26 through Friday, April 2, 2027, and classes resume on Monday, April 5, 2027.
When is Memorial Day recess in SEA for the 2026-2027 school year?
Memorial Day recess is from Friday, May 28 through Monday, May 31, 2027.
When are the high school graduation ceremonies in SEA for the 2026-2027 school year?
High school graduation ceremonies are scheduled for Friday, June 4, 2027.
When are high school final exams in SEA for the 2026-2027 school year?
High school final exams are scheduled from Monday, June 14 through Wednesday, June 16, 2027. These are half-day morning sessions for high school students.
When is the last day of school in SEA for the 2026-2027 school year?
The last student day for non-KLC students is Wednesday, June 16, 2027. It is a half-day district-wide for Pre-K through Grade 12 students.
When are the professional development days in SEA for the 2026-2027 school year?
District professional development days are scheduled for August 25, August 26, September 23, October 14, November 3, 2026, and March 10, 2027.
When is Records Day in SEA for the 2026-2027 school year?
A Records Day with no students is scheduled for Tuesday, January 19, 2027. An additional staff Records Day is scheduled for Thursday, June 17, 2027.

Dates can change after publication. Read our calendar disclaimer.