SchoolDates
Read from the district on October 8, 2026

Mascoutah Community Unit school calendar, 2026–2027

Key dates for 2026–2027: first day of school August 18; Thanksgiving break November 25–27; winter break and one more day off December 23 to January 4; spring break March 25–29; last day of school May 24.

Next time off Oct 9 Columbus Day / Indigenous Peoples’ Day + 1 more day off · October 9–12 As of October 8, 2026, the day this calendar was read
School days off this year 25 across 11 separate closures
Last day of school May 24 Monday
First day of school August 18; Thanksgiving break November 25–27; Winter break + 1 more day off December 23 to January 4; Spring break March 25–29; Last day of school May 24;
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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
  • 3–5New Teacher Orientation
  • 17Staff day
  • 18First 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
  • 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
  • 9Staff day
  • 12Columbus Day / Indigenous Peoples’ Day
  • 22Conferences, no school
  • 23No school

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
  • 22Early release
  • 23 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
  • 4Staff day
  • 5Term starts
  • 18MLK 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
  • 12Early release
  • 15Presidents 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
  • 1Staff day
  • 12End of quarter
  • 25–29Spring 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
  • 23Staff day

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
  • 16Graduation
  • 24Last day
  • 31Memorial 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 Illinois
First day of schoolAugust 18——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 break + 1 more day offDecember 23 to January 49Tuesday, January 52 of 38 · Illinois winter break 2026–27, by district
Spring breakMarch 25–293Tuesday, March 304 of 40 · Illinois spring break 2027, by district
Last day of schoolMay 24——2 of 33 · Illinois last day of school 2027, by district
Longest closure
Winter break + 1 more day off, December 23 to January 4 (9 school days)
One-day closures
6
Closures starting Tuesday to Thursday
5
Staff days, no students
4: Oct 9, Jan 4, Mar 1, Apr 23
Early-release days
2: Dec 22, Feb 12
Most days off in one month
December, 7 school days
Months with no day off
August and May
Longest run of school days
23, September 8 to October 8

Shortest winter break of the 38 Illinois districts we read, tied with Scales Mound Community Unit School District 211: 8 school days, December 23 to January 1.

Every date

Every published date · Mascoutah Community Unit · 2026–2027
DateWhat it isTime offDistrict’s own wording
August 3–5New Teacher Orientation—New Teacher Orientation
August 17Teacher work day, no students—Teacher In-service (No Student Attendance)
August 18First day of school—First Day of School (1/2 Day Student Attendance; Teacher In-service)
September 7Labor Day1 school dayLabor Day (No Student Attendance)
October 9Teacher work day, no students1 school dayTeacher In-service (No Student Attendance)
October 12Columbus Day / Indigenous Peoples’ Day1 school dayColumbus Day (No Student Attendance)
October 22Parent-teacher conferences, no school1 school dayParent - Teacher Conferences (No Student Attendance)
October 23No school1 school daySchool Offices Closed (No Student Attendance)
November 11Veterans Day1 school dayVeterans Day (No Student Attendance)
November 25–27Thanksgiving break3 school daysThanksgiving Break (No Student Attendance)
December 22Early release—1st Semester Ends (1/2 Day Student Attendance; Teacher In-service)
December 23 to January 1Winter break8 school daysWinter Break (No Student Attendance)
January 4Teacher work day, no students1 school dayTeacher In-service (No Student Attendance)
January 5New term begins—2nd Semester Starts
January 18Martin Luther King Jr. Day1 school dayMartin Luther King Jr. Day (No Student Attendance)
February 12Early release—Teacher In-service (1/2 Day Student Attendance)
February 15Presidents Day1 school dayPresidents' Day (No Student Attendance)
March 1Teacher work day, no students1 school dayTeacher In-service
March 12End of quarter—3rd Quarter Ends
March 25–29Spring break3 school daysSpring Break (District Offices Closed)
April 23Teacher work day, no students1 school dayTeacher In-service (No Student Attendance)
May 16Graduation—MHS Graduation
May 24Last day of school—Last Day of School (1/2 Student Attendance; Teacher In-service)
May 31Memorial Day—Memorial Day

Sources

  1. District’s calendar: https://www.msd19.org/events (the source)
  2. District website: https://www.msd19.org
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/2529/cms/events

How these dates are read and labeled: Methodology.

Other Illinois districts

Oakland Community Unit School District 5: 25 school days off Springfield School District 186: 25 school days off Waukegan Community Unit School District 60: 25 school days off Berwyn North School District 98: 24 school days off