SchoolDates
Read from the district on October 8, 2026

Corunna Public school calendar, 2026–2027

Key dates for 2026–2027: first day of school August 20; Thanksgiving break November 25–27; winter break December 21 to January 1; February break February 12–15; spring break March 26 to April 2; last day of school June 4.

Next time off Oct 12 Teacher work day, no students · October 12 As of October 8, 2026, the day this calendar was read
School days off this year 28 across 10 separate closures
Last day of school June 4 Friday
First day of school August 20; Thanksgiving break November 25–27; Winter break December 21 to January 1; February break February 12–15; Spring break March 26 to April 2; Last day of school June 4;
Add these dates to your phoneEvery date below, in your calendar app.
iPhone or iPadAdd to Apple CalendarAndroidAdd to Google CalendarDownload the filecalendar.ics, for any other calendar app

Month by month

Days off: school breaks, holidays and staff days. Not days off: early releases and term milestones.

August 2026

SMTWTFS
26
27
28
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5
  • 17CMS Open House 4:00 - 6:00 p.m.
  • 18CHS Open House (Optional Presentation for 8th Grade/New Parents at 5:30 in the Cafeteria)
  • 20First day

September 2026

SMTWTFS
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
  • 4–7Labor Day

October 2026

SMTWTFS
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
  • 12Staff day
  • 30Early release

November 2026

SMTWTFS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
  • 11Veterans Day
  • 25–27Thanksgiving break

December 2026

SMTWTFS
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
  • 18Semester ends
  • 21 onWinter break

January 2027

SMTWTFS
27
28
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5
6
  • to 1Winter break
  • 4Classes resume
  • 18Staff day

February 2027

SMTWTFS
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
  • 5Media Center Closed
  • 12–15February break

March 2027

SMTWTFS
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
  • 8Staff day
  • 26 onSpring break

April 2027

SMTWTFS
28
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
  • to 2Spring break
  • 5Classes resume

May 2027

SMTWTFS
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5
  • 8Graduation
  • 20Testing
  • 31Memorial Day

June 2027

SMTWTFS
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
  • 4Last day
School break Holiday, no school Staff day, no students Early release Term milestone

Key dates

Key dates · 2026–2027
WhatDatesSchool daysBack to schoolSame dates in Michigan
First day of schoolAugust 20——4 of 83 · Michigan first day of school 2026, by district
Thanksgiving breakNovember 25–273Monday, November 3070 of 98 · Michigan Thanksgiving break 2026, by district
Winter breakDecember 21 to January 110Monday, January 469 of 95 · Michigan winter break 2026–27, by district
February breakFebruary 12–152Tuesday, February 1612 of 34
Spring breakMarch 26 to April 26Monday, April 563 of 96 · Michigan spring break 2027, by district
Last day of schoolJune 4——18 of 88 · Michigan last day of school 2027, by district
Longest closure
Winter break, December 21 to January 1 (10 school days)
One-day closures
5
Closures starting Tuesday to Thursday
2
Staff days, no students
3: Oct 12, Jan 18, Mar 8
Early-release days
1: Oct 30
Most days off in one month
December, 9 school days
Months with no day off
August and June
Longest run of school days
40, April 5 to May 28

Every date

Every published date · Corunna Public · 2026–2027
DateWhat it isTime offDistrict’s own wording
August 17CMS Open House 4:00 - 6:00 p.m.—CMS Open House 4:00 - 6:00 p.m.
August 18CHS Open House (Optional Presentation for 8th Grade/New Parents at 5:30 in the Cafeteria)—CHS Open House (Optional Presentation for 8th Grade/New Parents at 5:30 in the Cafeteria)
August 20First day of school—First Day of School
September 4–7Labor Day2 school daysNo School - Labor Day Weekend
October 12Teacher work day, no students1 school dayNo School - Professional Development Day
October 30Early release—Half Day/Early Release Day for Students
November 11Veterans Day1 school dayVeteran's Day
November 25–27Thanksgiving break3 school daysThanksgiving Break-No School
December 18End of semester—End of 1st Semester
December 18Last Day of School Before Christmas Break—Last Day of School Before Christmas Break
December 21 to January 1Winter break10 school daysChristmas Break -No School; Jan 1: New Year's Day-No School; Jan 1: No School - Christmas Break
January 4Classes resume—School Resumes from Christmas Break
January 18Teacher work day, no students1 school dayNo School - Professional Development Day
February 5Media Center Closed—Media Center Closed
February 12–15February break2 school daysNo School - Winter Break
March 8Teacher work day, no students1 school dayNo School - Professional Development Day
March 26 to April 2Spring break6 school daysSpring Break-No School; Mar 26: No School
April 5Classes resume—School Resumes after Spring Break
May 8Graduation—Corunna High School's 157th Commencement Ceremony for the Class of 2027
May 20Testing—7th Grade PSAT Testing in the Morning/High School Visit in the Afternoon
May 31Memorial Day1 school dayNo School - Memorial Day
June 4Last day of school—Tentative Last Day of School, Early Release Day (1/2 Day for Students)

Sources

  1. District’s calendar: https://www.corunna.k12.mi.us/events (the source)
  2. District website: https://www.corunna.k12.mi.us
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/2931/cms/events

How these dates are read and labeled: Methodology.

Other Michigan districts

Capac Community: 28 school days off Clio Area: 28 school days off Dearborn Heights School District 7: 28 school days off Gibraltar: 28 school days off