Read from the district on October 8, 2026
Katonah-Lewisboro Union Free school calendar, 2026–2027
Key dates for 2026–2027: first day of school September 8; Thanksgiving break November 26–27; winter break December 24 to January 1; February break February 15–19; spring break March 22–26; last day of school June 25.
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
28
across 11 separate closures
Last day of school
June 25
Friday
First day of school September 8; Thanksgiving break November 26–27; Winter break December 24 to January 1; February break February 15–19; Spring break March 22–26; Last day of school June 25;
Key dates and the month grids, on one or two sheets
Add these dates to your phoneEvery date below, in your calendar app.
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
- 31JJHS 9th Grade Orientation
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
- 2Staff day
- 3Staff day
- 7Labor Day
- 8First day
- 19Testing
- 21No school
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
- 3Testing
- 9Early release
- 10Special Voter Registration
- 12Columbus Day / Indigenous Peoples’ Day
- 14Testing
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
- 5Early release
- 7Testing
- 11Veterans Day
- 13Early release
- 18Early release
- 25Early release
- 26–27Thanksgiving 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
- 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
- 15Staff day
- 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
- 15–19February break
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
- 3IMES Kindergarten Parent Orientation (snow date 3/9)
- 6Testing
- 13Testing
- 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
- 22No school
- 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
- 3Testing
- 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
- 3IMES 5th Gr. Student Orientation at JJMS
- 5Testing
- 12Testing
- 21–25Early release
School break
Holiday, no school
Staff day, no students
Early release
Term milestone
Key dates
| What | Dates | School days | Back to school | Same dates in New York |
|---|---|---|---|---|
| First day of school | September 8 | — | — | 17 of 31 · New York first day of school 2026, by district |
| Thanksgiving break | November 26–27 | 2 | Monday, November 30 | 12 of 34 · New York Thanksgiving break 2026, by district |
| Winter break | December 24 to January 1 | 7 | Monday, January 4 | 22 of 34 · New York winter break 2026–27, by district |
| February break | February 15–19 | 5 | Monday, February 22 | 29 of 29 |
| Spring break | March 22–26 | 5 | Monday, March 29 | 5 of 34 · New York spring break 2027, by district |
| Last day of school | June 25 | — | — | 11 of 25 · New York last day of school 2027, by district |
- Longest closure
- Winter break, December 24 to January 1 (7 school days)
- One-day closures
- 5
- Closures starting Tuesday to Thursday
- 5
- Staff days, no students
- 3: Nov 3, Jan 15, Apr 23
- Early-release days
- 7: Oct 9, Nov 5, Nov 13, Nov 18, Nov 25, Jun 3 and 1 more
- Most days off in one month
- December, 6 school days
- Months with no day off
- June
- Longest run of school days
- 25, April 26 to May 28
Every date
| Date | What it is | Time off | District’s own wording |
|---|---|---|---|
| August 31 | JJHS 9th Grade Orientation | — | JJHS 9th Grade Orientation |
| August 31 | JJHS New Family Orientation | — | JJHS New Family Orientation |
| August 31 | JJMS New Family Orientation | — | JJMS New Family Orientation |
| September 2 | Teacher work day, no students | — | KLSD Professional Learning Day |
| September 3 | Teacher work day, no students | — | KLSD Professional Learning Day |
| September 7 | Labor Day | — | Labor Day |
| September 8 | First day of school | — | First Day of School |
| September 19 | Testing | — | ACT test at JJHS |
| September 21 | No school | 1 school day | Yom Kippur - Schools Closed |
| October 3 | Testing | — | SAT Test at JJHS |
| October 9 | Early release | — | Emergency Mgmt Plan Drill - 15 min. early dismissal - all buildings |
| October 10 | Special Voter Registration | — | Special Voter Registration |
| October 12 | Columbus Day / Indigenous Peoples’ Day | 1 school day | Columbus Day/Indigenous People's Day - Schools Closed |
| October 14 | Testing | — | PSAT at JJHS |
| November 3 | Teacher work day, no students | 1 school day | Professional Learning Day - No Students |
| November 5 | Early release | — | Elementary Schools - Early Dismissal for Evening Parent/Teacher Conferences |
| November 7 | Testing | — | SAT at JJHS |
| November 11 | Veterans Day | 1 school day | Veterans' Day - Schools Closed |
| November 13 | Early release | — | Elementary Schools - Early Dismissal for Afternoon Parent/Teacher Conferences |
| November 18 | Early release | — | Elementary Schools - Early Dismissal for Evening Parent/Teacher Conferences |
| November 25 | Early release | — | Early Dismissal - All Schools |
| November 26–27 | Thanksgiving break | 2 school days | Thanksgiving Recess - Schools Closed |
| December 24 to January 1 | Winter break | 7 school days | Holiday Recess - Schools Closed |
| January 15 | Teacher work day, no students | 1 school day | Professional Learning Day - No Students |
| January 18 | Martin Luther King Jr. Day | 1 school day | Martin Luther King Day - Schools Closed |
| February 15–19 | February break | 5 school days | Winter Recess - Schools Closed |
| March 3 | IMES Kindergarten Parent Orientation (snow date 3/9) | — | IMES Kindergarten Parent Orientation (snow date 3/9) |
| March 3 | KES Kindergarten Parent Orientation (snow date 3/9) | — | KES Kindergarten Parent Orientation (snow date 3/9) |
| March 3 | MPES Kindergarten Parent Orientation (snow date 3/9) | — | MPES Kindergarten Parent Orientation (snow date 3/9) |
| March 6 | Testing | — | SAT at JJHS |
| March 13 | Testing | — | Pre-ACT at JJHS |
| March 22–26 | Spring break | 5 school days | Spring Recess - Schools Closed |
| April 22 | No school | 1 school day | Passover - Schools Closed |
| April 23 | Teacher work day, no students | 1 school day | Professional Learning Day - No Students |
| May 3 | Testing | — | JJHS AP Exams begin |
| May 31 | Memorial Day | 1 school day | Memorial Day - Schools Closed |
| June 3 | IMES 5th Gr. Student Orientation at JJMS | — | IMES 5th Gr. Student Orientation at JJMS |
| June 3 | Early release | — | JJMS Early Dismissal |
| June 3 | KES 5th Gr. Student Orientation at JJMS | — | KES 5th Gr. Student Orientation at JJMS |
| June 3 | MPES 5th Gr. Student Orientation at JJMS | — | MPES 5th Gr. Student Orientation at JJMS |
| June 5 | Testing | — | SAT at JJHS |
| June 12 | Testing | — | ACT at JJHS |
| June 21–25 | Early release | — | IMES Early Dismissal |
| June 22 | Graduation | — | JJHS Graduation |
| June 25 | Last day of school | — | Last Day of School |
Sources
- District’s calendar: https://www.klschools.org/events (the source)
- District website: https://www.klschools.org
- Calendar feed read on October 8, 2026:
https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/23785/cms/events
How these dates are read and labeled: Methodology.