SchoolDates
Read from the district on October 8, 2026

Windsor Public school calendar, 2026–2027

Key dates for 2026–2027: first day of school September 1; Thanksgiving break November 25–27; winter break December 24 to January 1; February break February 15–16; spring break April 12–16; last day of school June 14.

Next time off Oct 12 Columbus Day / Indigenous Peoples’ Day · October 12 As of October 8, 2026, the day this calendar was read
School days off this year 24 across 11 separate closures
Last day of school June 14 Monday
First day of school September 1; Thanksgiving break November 25–27; Winter break December 24 to January 1; February break February 15–16; Spring break April 12–16; Last day of school June 14;
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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
  • 24–26No school
  • 27–31Staff 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
  • 1First day
  • 7Labor Day
  • 10Big W & Open House
  • 22Early release
  • 28JFK Open House / Community Open House
  • 30OE Open House

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
  • 12Columbus Day / Indigenous Peoples’ Day
  • 13Early release
  • 14Early release
  • 15Early release
  • 21–23Early 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
  • 3Staff day
  • 11–13Early release
  • 17Early release
  • 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
  • 15Early release
  • 23Early release
  • 24 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
  • 12Early release
  • 18MLK Day
  • 19–22Early release

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
  • 9Staff day
  • 15–16February break
  • 23Early release

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
  • 11Early release
  • 16Early release
  • 17–19Early release
  • 26No school
  • 31 onEarly release

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 2Early release
  • 6Early release
  • 12–16Spring 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
  • 4Early release
  • 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
  • 8–11Early release
  • 14Last day
  • 15Graduation
  • 24Last day, if needed
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 Connecticut
First day of schoolSeptember 1——1 of 3
Thanksgiving breakNovember 25–273Monday, November 301 of 3
Winter breakDecember 24 to January 17Monday, January 43 of 3
February breakFebruary 15–162Wednesday, February 173 of 3
Spring breakApril 12–165Monday, April 193 of 3
Last day of schoolJune 14——1 of 2
Longest closure
Winter break, December 24 to January 1 (7 school days)
One-day closures
7
Closures starting Tuesday to Thursday
4
Staff days, no students
2: Nov 3, Feb 9
Early-release days
19: Sep 22, Oct 13, Oct 14, Oct 15, Oct 21, Nov 11 and 13 more
Most days off in one month
December, 6 school days
Months with no day off
June
Longest run of school days
30, April 19 to May 28

Every date

Every published date · Windsor Public · 2026–2027
DateWhat it isTime offDistrict’s own wording
August 24–26No school—New Teacher Orientation (No School For Students); Aug 26: Opening Day for Staff (No School For Students))
August 27–31Teacher work day, no students—Staff Professional Development (No School For Students)
September 1First day of school—First Day of School for Students, 26-27 School Year
September 7Labor Day1 school dayLabor Day (No School for Students or Staff)
September 10Big W & Open House—Big W & Open House
September 22Early release—Early Dismissal for all Students (Teacher PD)
September 28JFK Open House / Community Open House—JFK Open House / Community Open House
September 30OE Open House—OE Open House
September 30POQ Open House—POQ Open House
October 12Columbus Day / Indigenous Peoples’ Day1 school dayIndigenous Peoples Day (No School for Students or Staff)
October 13Early release—Early Dismissal for all Students (Teacher PD)
October 14Early release—Early Release day, PSAT testing
October 15Early release—only Early Dismissal for Parent Teacher Conferences
October 21–23Early release—only Early Dismissal for Parent Teacher Conferences
November 3Teacher work day, no students1 school dayElection Day Teacher PD (No School for Students)
November 11–13Early release—PK-5-Only Early Dismissal for Parent Teacher Conferences
November 17Early release—Early Dismissal for all Students (Teacher PD)
November 25–27Thanksgiving break3 school daysThanksgiving Break (No School for Students or Staff)
December 15Early release—Early Dismissal for all Students (Teacher PD)
December 23Early release—Early Dismissal for all Students
December 24 to January 1Winter break7 school daysWinter Break (No School for Students or Staff)
January 12Early release—Early Dismissal for all Students (Teacher PD)
January 18Martin Luther King Jr. Day1 school dayMartin Luther King, Jr. Day (No School for Students or Staff)
January 19–22Early release—WHS only: Early Dismissal Semester 1 Exams
February 9Teacher work day, no students1 school dayNo School (Teacher PD)
February 15–16February break2 school daysPresidents' Day Break (No School)
February 23Early release—Early Dismissal for all Students (Teacher PD)
March 11Early release—WHS only: Early Dismissal for Parent Teacher Conferences
March 16Early release—Early Dismissal for all Students (Teacher PD)
March 17–19Early release—PK-5 Only: Early Dismissal for Parent Teacher Conferences
March 26No school1 school dayGood Friday (No School for Students or Staff)
March 31 to April 2Early release—SPMS Only: Early Dismissal for Parent Teacher Conferences
April 6Early release—Early Dismissal for all Students (Teacher PD)
April 12–16Spring break5 school daysSpring Break (No School)
May 4Early release—Early Dismissal for all Students (Teacher PD)
May 31Memorial Day1 school dayMemorial Day (No School for Students and Staff)
June 8–11Early release—WHS Only: Early Dismissal Semester 2 Exams
June 14Last day of school—Last Day of School (Early Dismissal)
June 15Graduation—WHS Graduation
June 24Last day, if needed—Potential Last Day of School (Pending Snow Days)

Sources

  1. District’s calendar: https://www.windsorct.org/events (the source)
  2. District website: https://www.windsorct.org
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/7928/cms/events

How these dates are read and labeled: Methodology.

Other Connecticut districts

Regional School District 16: 25 school days off Hartford Public: 27 school days off