SchoolDates
Read from the district on October 8, 2026

Flossmoor School District 161 school calendar, 2026–2027

Key dates for 2026–2027: first day of school August 27; Thanksgiving break November 25–27; winter break December 21 to January 1; spring break March 26 to April 2; last day of school June 8.

Next time off Oct 12 No school · October 12 As of October 8, 2026, the day this calendar was read
School days off this year 26 across 9 separate closures
Last day of school June 8 Tuesday
First day of school August 27; Thanksgiving break November 25–27; Winter break December 21 to January 1; Spring break March 26 to April 2; Last day of school June 8;
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Month by month

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

July 2026

SMTWTFS
28
29
30
1
2
3
4
5
6
7
8
9
10
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31
1
  • 16Last Day of Summer Academy

August 2026

SMTWTFS
26
27
28
29
30
31
1
2
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4
5
6
7
8
9
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  • 27First day

September 2026

SMTWTFS
30
31
1
2
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7
8
9
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11
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28
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30
1
2
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  • 7Labor Day
  • 15Elementary School Open Houses
  • 16Parker Junior High School Open House
  • 18–21No school

October 2026

SMTWTFS
27
28
29
30
1
2
3
4
5
6
7
8
9
10
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12
13
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27
28
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31
  • 12No school
  • 30Early release

November 2026

SMTWTFS
1
2
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5
6
7
8
9
10
11
12
13
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27
28
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30
1
2
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4
5
  • 11Veteran's Day - School in Session
  • 25–27Thanksgiving break

December 2026

SMTWTFS
29
30
1
2
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5
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8
9
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27
28
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30
31
1
2
  • 4Early release
  • 21 onWinter break

January 2027

SMTWTFS
27
28
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30
31
1
2
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5
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8
9
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26
27
28
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30
31
1
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6
  • to 1Winter break
  • 18MLK Day

February 2027

SMTWTFS
31
1
2
3
4
5
6
7
8
9
10
11
12
13
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16
17
18
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20
21
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23
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25
26
27
28
1
2
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5
6
  • 15Presidents Day
  • 26Early release

March 2027

SMTWTFS
28
1
2
3
4
5
6
7
8
9
10
11
12
13
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17
18
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21
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24
25
26
27
28
29
30
31
1
2
3
  • 2Incoming Kindergarten Registration
  • 26 onSpring break

April 2027

SMTWTFS
28
29
30
31
1
2
3
4
5
6
7
8
9
10
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12
13
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21
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25
26
27
28
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30
1
  • to 2Spring break
  • 23Early release

May 2027

SMTWTFS
25
26
27
28
29
30
1
2
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5
6
7
8
9
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  • 31Memorial Day

June 2027

SMTWTFS
30
31
1
2
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5
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8
9
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11
12
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28
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30
1
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  • 8Last day
School break Holiday, no school Early release Term milestone

Key dates

Key dates · 2026–2027
WhatDatesSchool daysBack to schoolSame dates in Illinois
First day of schoolAugust 27——1 of 34 · Illinois first day of school 2026, by district
Thanksgiving breakNovember 25–273Monday, November 3024 of 38 · Illinois Thanksgiving break 2026, by district
Winter breakDecember 21 to January 110Monday, January 413 of 38 · Illinois winter break 2026–27, by district
Spring breakMarch 26 to April 26Monday, April 514 of 40 · Illinois spring break 2027, by district
Last day of schoolJune 8——1 of 33 · Illinois 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
1
Staff days, no students
none published
Early-release days
4: Oct 30, Dec 4, Feb 26, Apr 23
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

Latest first day of school of the 34 Illinois districts we read: Thursday, August 27.

Latest last day of school of the 33 Illinois districts we read: Tuesday, June 8.

Every date

Every published date · Flossmoor School District 161 · 2026–2027
DateWhat it isTime offDistrict’s own wording
July 16Last Day of Summer Academy—Last Day of Summer Academy
August 27First day of school—First Day of School
September 7Labor Day1 school dayLabor Day - District Closed
September 15Elementary School Open Houses—Elementary School Open Houses
September 16Parker Junior High School Open House—Parker Junior High School Open House
September 18–21No school2 school daysYom Kippur Observed - No School for Students and Staff - District Closed; Sep 18: Teacher Institute Day - No School for Students
October 12No school1 school dayDistrict Closed
October 30Early release—School Improvement Day - Early Dismissal for Students
November 11Veteran's Day - School in Session—Veteran's Day - School in Session
November 25–27Thanksgiving break3 school daysThanksgiving - District Closed; Nov 25: Non-Attendance Day - District Closed
December 4Early release—School Improvement Day - Early Dismissal for Students
December 21 to January 1Winter break10 school daysWinter Break
January 18Martin Luther King Jr. Day1 school dayMartin Luther King's Birthday - District Closed
February 15Presidents Day1 school dayPresident's Day - District Closed
February 26Early release—School Improvement Day - Early Dismissal for Students
March 2Incoming Kindergarten Registration—Incoming Kindergarten Registration
March 26 to April 2Spring break6 school daysSpring Break; Mar 26: Good Friday - District Closed
April 23Early release—School Improvement Day - Early Dismissal for Students
May 31Memorial Day1 school dayMemorial Day - District Closed
June 8Last day of school—Last Day of School for Students

Sources

  1. District’s calendar: https://www.sd161.org/events (the source)
  2. District website: https://www.sd161.org
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/3281/cms/events

How these dates are read and labeled: Methodology.

Other Illinois districts

Dupo Community Unit School District 196: 26 school days off East Peoria School District 86: 26 school days off Fisher Community Unit School District 1: 26 school days off Forest Ridge School District 142: 26 school days off