SchoolDates
Read from the district on October 8, 2026

Mammoth Spring school calendar, 2026–2027

Key dates for 2026–2027: first day of school August 13; fall break October 16–19; Thanksgiving break November 23–27; winter break December 21 to January 5; spring break March 22–26; last day of school May 14.

Next time off Oct 16 Fall break · October 16–19 As of October 8, 2026, the day this calendar was read
School days off this year 30 across 9 separate closures
Last day of school May 14 Friday
First day of school August 13; Fall break October 16–19; Thanksgiving break November 23–27; Winter break December 21 to January 5; Spring break March 22–26; Last day of school May 14;
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Month by month

Days off: school breaks, holidays and staff days. Not days off: 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
  • 4Staff day
  • 5Staff day
  • 6Staff day
  • 10Staff day
  • 11Open House 5-7pm (7th grade orientation 6:30)
  • 13First 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
  • 16–19Fall break

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
  • 23–27Thanksgiving 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
  • 1Town Hall Christmas Extravaganza 5:30-7
  • 18End of quarter
  • 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 5Winter break
  • 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
  • 12No school
  • 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
  • 5End of quarter
  • 12No school
  • 22–26Spring 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
  • 16No school

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
  • 3Graduation
  • 10Graduation
  • 14Last 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
  • 16–20National Educator Rising Conference Columbus, Ohio
School break Holiday, no school Staff day, no students Term milestone

Key dates

Key dates · 2026–2027
WhatDatesSchool daysBack to schoolSame dates in Arkansas
First day of schoolAugust 13——5 of 52 · Arkansas first day of school 2026, by district
Fall breakOctober 16–192Tuesday, October 206 of 39 · Arkansas fall break 2026, by district
Thanksgiving breakNovember 23–275Monday, November 3050 of 59 · Arkansas Thanksgiving break 2026, by district
Winter breakDecember 21 to January 512Wednesday, January 62 of 56 · Arkansas winter break 2026–27, by district
Spring breakMarch 22–265Monday, March 2937 of 56 · Arkansas spring break 2027, by district
Last day of schoolMay 14——4 of 39 · Arkansas last day of school 2027, by district
Longest closure
Winter break, December 21 to January 5 (12 school days)
One-day closures
4
Closures starting Tuesday to Thursday
0
Staff days, no students
3: Oct 19, Jan 5, Feb 15
Early-release days
none published
Most days off in one month
December, 9 school days
Months with no day off
August and May
Longest run of school days
28, September 8 to October 15

Every date

Every published date · Mammoth Spring · 2026–2027
DateWhat it isTime offDistrict’s own wording
August 4Teacher work day, no students—Staff Development
August 5Teacher work day, no students—Staff Development
August 6Teacher work day, no students—Bus Inservice MSHS Library
August 10Teacher work day, no students—Staff Development
August 11Open House 5-7pm (7th grade orientation 6:30)—Open House 5-7pm (7th grade orientation 6:30)
August 11Teacher work day, no students—Staff Development
August 13First day of school—First Day of School
September 7Labor Day1 school dayNo School
October 16–19Fall break2 school daysNo School Fall Break
October 19Teacher work day, no students1 school dayStaff Development
November 23–27Thanksgiving break5 school daysNO School - Thanksgiving Break
December 1Town Hall Christmas Extravaganza 5:30-7—Town Hall Christmas Extravaganza 5:30-7
December 18End of quarter—Second Quarter Ends
December 21 to January 5Winter break12 school daysNo School - Christmas Break
January 5Teacher work day, no students1 school dayStaff Development
January 18Martin Luther King Jr. Day1 school dayNo School
February 12No school1 school dayNo School
February 15Presidents Day1 school dayNo School
February 15Teacher work day, no students1 school dayStaff Development
March 5End of quarter—Third Quarter Ends
March 12No school1 school dayNo School
March 22–26Spring break5 school daysNO School - Spring Break
April 16No school1 school dayProm (No School)
May 3Graduation—High School Graduation
May 10Graduation—Preschool Graduation 6 pm
May 14Last day of school—Last Day of School
June 16–20National Educator Rising Conference Columbus, Ohio—National Educator Rising Conference Columbus, Ohio

Sources

  1. District’s calendar: https://www.mammothspringschools.com/events (the source)
  2. District website: https://www.mammothspringschools.com
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/5168/cms/events

How these dates are read and labeled: Methodology.

Other Arkansas districts

Corning: 30 school days off Lavaca: 30 school days off Melbourne: 30 school days off Valley Springs: 30 school days off