SchoolDates
Read from the district on October 8, 2026

Mackinac Island school calendar, 2026–2027

Key dates for 2026–2027: Thanksgiving break November 25–27; winter break December 19 to January 1; spring break March 26 to April 4; last day of school June 11.

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 22 across 6 separate closures
Last day of school June 11 Friday
Thanksgiving break November 25–27; Winter break December 19 to January 1; Spring break March 26 to April 4; Last day of school June 11;
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Month by month

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

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
  • 8First Day of School Community Picnic

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

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
  • 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
  • 19 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
  • 20–22Testing

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
  • 11Conferences
  • 12Early release
  • 15Staff day

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
  • 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 4Spring break

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
  • 28Graduation
  • 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
  • 9–11Testing
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
Thanksgiving breakNovember 25–273Monday, November 3070 of 98 · Michigan Thanksgiving break 2026, by district
Winter breakDecember 19 to January 110Monday, January 42 of 95 · Michigan winter break 2026–27, by district
Spring breakMarch 26 to April 46Monday, April 57 of 96 · Michigan spring break 2027, by district
Last day of schoolJune 11——14 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
3
Closures starting Tuesday to Thursday
1
Staff days, no students
3: Oct 12, Feb 15, Mar 26
Early-release days
1: Feb 12
Most days off in one month
December, 9 school days
Longest run of school days
40, April 5 to May 28

Every date

Every published date · Mackinac Island · 2026–2027
DateWhat it isTime offDistrict’s own wording
September 8First Day of School Community Picnic—First Day of School Community Picnic
October 12Teacher work day, no students1 school dayTeacher PD (LSSU) - No School
November 25–27Thanksgiving break3 school daysThanksgiving Break (no school)
December 19 to January 1Winter break10 school daysChristmas Break (no school)
January 20–22Testing—Exams (HS)
January 22End of quarter—Half Day (end of 2nd quarter)
February 11Parent-teacher conferences—Parent-Teacher Conferences
February 12Early release—Half Day
February 15Teacher work day, no students1 school dayTeacher PD - No School
March 26 to April 4Spring break6 school daysSpring Break
March 26Teacher work day, no students1 school dayTeacher PD - No School
May 28Graduation—Graduation
May 31Memorial Day1 school dayNo School
June 9–11Testing—Exams (HS)
June 11Last day of school—Last Day (half-day)

Sources

  1. District’s calendar: https://mackinac.eupschools.org/events (the source)
  2. District website: https://mackinac.eupschools.org
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/12239/cms/events

How these dates are read and labeled: Methodology.

Other Michigan districts

Hartford Public: 22 school days off Houghton Lake Community: 22 school days off Norway-Vulcan Area: 22 school days off Alpena Public: 23 school days off