Read from the district on October 8, 2026
Lennox school calendar, 2026–2027
Key dates for 2026–2027: first day of school August 25; Thanksgiving break November 26–27; winter break December 23 to January 1; spring break March 18–19; last day of school May 20.
Next time off
Oct 9
No school · October 9–12
As of October 8, 2026, the day this calendar was read
School days off this year
22
across 9 separate closures
Last day of school
May 20
Thursday
First day of school August 25; Thanksgiving break November 26–27; Winter break December 23 to January 1; Spring break March 18–19; Last day of school May 20;
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
- 12Staff day
- 13Staff day
- 14Staff day
- 24HS Open House
- 25First 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
- 4–7No school
- 23Early release
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
- 12No 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
- 4Early 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
- 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
- 4Term starts
- 18Staff day
- 27Early release
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
- 24Early release
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
- 18–19Spring break
- 26–29No school
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
- 15Graduation
- 20Early 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 South Dakota |
|---|---|---|---|---|
| First day of school | August 25 | — | — | 2 of 5 |
| Thanksgiving break | November 26–27 | 2 | Monday, November 30 | 4 of 6 |
| Winter break | December 23 to January 1 | 8 | Monday, January 4 | 3 of 6 |
| Spring break | March 18–19 | 2 | Monday, March 22 | 1 of 5 |
| Last day of school | May 20 | — | — | 3 of 6 |
- Longest closure
- Winter break, December 23 to January 1 (8 school days)
- One-day closures
- 2
- Closures starting Tuesday to Thursday
- 3
- Staff days, no students
- 3: Oct 9, Jan 18, Apr 23
- Early-release days
- 7: Sep 23, Nov 4, Nov 25, Dec 22, Jan 27, Feb 24 and 1 more
- Most days off in one month
- December, 7 school days
- Months with no day off
- August and May
- Longest run of school days
- 32, October 13 to November 25
Latest first day of school of the 5 South Dakota districts we read, tied with Sioux Falls: Tuesday, August 25.
Every date
| Date | What it is | Time off | District’s own wording |
|---|---|---|---|
| August 12 | Teacher work day, no students | — | Staff In-Service Days |
| August 13 | Teacher work day, no students | — | Staff In-Service Days |
| August 14 | Teacher work day, no students | — | Staff In-Service Days |
| August 24 | HS Open House | — | HS Open House |
| August 25 | First day of school | — | First Day of School (Start of 1st Quarter) |
| September 4–7 | No school | 2 school days | No School - Holiday Break |
| September 23 | Early release | — | 3 hour Early Out - Common Planning |
| October 9 | Teacher work day, no students | 1 school day | No School - Staff In-Service |
| October 12 | No school | 1 school day | No School - Teacher Comp Day |
| November 4 | Early release | — | 3 hour Early Out - Common Planning |
| November 25 | Early release | — | 3 Hour Early Dismissal |
| November 26–27 | Thanksgiving break | 2 school days | No School - Holiday Break |
| December 22 | Early release | — | 3 Hour Early Dismissal |
| December 22 | End of semester | — | End of 2nd Quarter (1st Semester) |
| December 23 to January 1 | Winter break | 8 school days | No School - Holiday Break |
| January 4 | New term begins | — | Start of 3rd Quarter (2nd Semester) |
| January 18 | Teacher work day, no students | 1 school day | No School - Staff In-Service |
| January 27 | Early release | — | 3 hour Early Out - Common Planning |
| February 12 | No school | 1 school day | No School - Teacher Comp Day |
| February 15 | Presidents Day | 1 school day | No School - Holiday Break |
| February 24 | Early release | — | 3 hour Early Out - Common Planning |
| March 18–19 | Spring break | 2 school days | No School - Spring Break |
| March 26–29 | No school | 2 school days | No School - Holiday Break |
| April 23 | Teacher work day, no students | 1 school day | No School - Staff In-Service |
| May 15 | Graduation | — | Graduation |
| May 20 | Early release | — | 3 Hour Early Dismissal |
| May 20 | Last day of school | — | Last Day of School (End of 4th Quarter) |
Sources
- District’s calendar: https://www.lennox.k12.sd.us/events (the source)
- District website: https://www.lennox.k12.sd.us
- Calendar feed read on October 8, 2026:
https://thrillshare-cmsv2.services.thrillshare.com/api/v4/o/4433/cms/events
How these dates are read and labeled: Methodology.