SchoolDates
Read from the district on October 8, 2026

Columbia Union school calendar, 2026–2027

Key dates for 2026–2027: first day of school August 19; Thanksgiving break November 23–27; winter break December 21 to January 1; spring break March 29 to April 2; last day of school June 2.

Next time off Nov 11 Veterans Day · November 11 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 2 Wednesday
First day of school August 19; Thanksgiving break November 23–27; Winter break December 21 to January 1; Spring break March 29 to April 2; Last day of school June 2;
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Month by month

Days off: school breaks and holidays. 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
  • 19Early release
  • 20Early release
  • 21Early release

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
  • 29Friendship Conference - 3rd Grade

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
  • 6Graduation
  • 12Early release
  • 13Early release
  • 14Early release
  • 15Early release
  • 16Early 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
  • 11Veterans Day
  • 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
  • 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 1Winter 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
  • 8No 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
  • 22Early release
  • 23Early release
  • 24Early release
  • 25Early release
  • 26Early release
  • 29 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 2Spring break
  • 162027-28 TK/K Registration
  • 29Open House

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
  • 14Open House
  • 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
  • 1Early release
  • 2Early release
School break Holiday, no school Early release Term milestone

Key dates

Key dates · 2026–2027
WhatDatesSchool daysBack to schoolSame dates in California
First day of schoolAugust 19——6 of 44 · California first day of school 2026, by district
Thanksgiving breakNovember 23–275Monday, November 3045 of 52 · California Thanksgiving break 2026, by district
Winter breakDecember 21 to January 110Monday, January 426 of 50 · California winter break 2026–27, by district
Spring breakMarch 29 to April 25Monday, April 58 of 49 · California spring break 2027, by district
Last day of schoolJune 2——4 of 46 · California last day of school 2027, by district
Longest closure
Winter break, December 21 to January 1 (10 school days)
One-day closures
6
Closures starting Tuesday to Thursday
1
Staff days, no students
none published
Early-release days
15: Aug 19, Aug 20, Aug 21, Oct 12, Oct 13, Oct 14 and 9 more
Most days off in one month
December, 9 school days
Months with no day off
August, October and June
Longest run of school days
46, September 8 to November 10

Every date

Every published date · Columbia Union · 2026–2027
DateWhat it isTime offDistrict’s own wording
August 19Early release—Early Release @ 1:15
August 19First day of school—First Day of School!
August 20Early release—Early Release @ 1:15
August 21Early release—Early Release @ 1:15
September 7Labor Day1 school dayLabor Day ~ No School
September 29Friendship Conference - 3rd Grade—Friendship Conference - 3rd Grade
October 6Graduation—8th Grade Graduation Meeting
October 12Early release—Parent/Teacher Conferences Early Release
October 13Early release—Parent/Teacher Conferences Early Release
October 14Early release—Parent/Teacher Conferences Early Release
October 15Early release—Parent/Teacher Conferences Early Release
October 16Early release—Parent/Teacher Conferences Early Release
November 11Veterans Day1 school dayNO SCHOOL - Veterans Day
November 23–27Thanksgiving break5 school daysNo School - Thanksgiving Break
December 21 to January 1Winter break10 school daysNo School - Winter Break
January 18Martin Luther King Jr. Day1 school dayNo School - MLK Day
February 8No school1 school dayNo School - Lincoln's Day
February 15Presidents Day1 school dayNo School - President Day
March 22Early release—Parent/Teacher Conferences Early Release
March 23Early release—Parent/Teacher Conferences Early Release
March 24Early release—Parent/Teacher Conferences Early Release
March 25Early release—Parent/Teacher Conferences Early Release
March 26Early release—Parent/Teacher Conferences Early Release
March 29 to April 2Spring break5 school daysNo School - Spring Break
April 162027-28 TK/K Registration—2027-28 TK/K Registration
April 29Open House—Open House
May 14Open House—Open House
May 31Memorial Day1 school dayNo School - Memorial Day
June 1Early release—Early Release
June 2Early release—Early Release
June 2Last day of school—Last Day of School

Sources

  1. District’s calendar: https://www.columbia49er.k12.ca.us/events (the source)
  2. District website: https://www.columbia49er.k12.ca.us
  3. Calendar feed read on October 8, 2026: https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/20495/cms/events

How these dates are read and labeled: Methodology.

Other California districts

Beardsley: 26 school days off Cuddeback Union: 26 school days off Los Angeles Unified: 26 school days off Norris: 26 school days off