ACADEMIC CALENDAR KEY DATES 2025-26 AUGUST ’25
S
M
T
W
T
8/15 Last Day of Summer at Parker 8/18-19 New Employee Orientation 8/21-29 Professional Work Days
F
S
SEPTEMBER ’25
1
2
9/1 Labor Day 9/2 First Day of School
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
M
T
W
T
F
9/11 MS Back to School Night 9/16 US Back to School Night
Regular School Day | Key Academic Date
No School | Holiday or Break
M
T
W
T
F
S
OCTOBER ’25
1
2
3
4
5
6
10/2 Yom Kippur
7
8
9
10
11
12
13
10/10 MS/US Professional Work Day
14
15
16
17
18
19
20
S
SS
M M
TT
W W
TT
FF
S
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
10/20 Diwali
26
27
28
29
30
31
SS
M M
TT
W W
TT
FF
S
1
2
3
10/10 LS Parent/Guardian Check-Ins 10/13 Fall Break
21
22
23
9/24-26 Grades 6 and 7 Camp
28
29
30
S
DECEMBER ’25
S
M
T
W
T
F
S
JANUARY ’26
1
12/1 Professional Work Day
1
2
3
4
5
6
12/22-1/2 Winter Break
9/18 LS Back to School Night
No School | Professional Work Day
24
25
26
27
10/17 Homecoming Celebration
31
NOVEMBER ’25
S
11/21 End of First Trimester 11/24-28 Thanksgiving Break
2
3
4
5
6
7
8
12/2 Day of Giving
7
8
9
10
11
12
13
1/5 Professional Work Day
4
5
6
7
8
9
10
9
10
11
12
13
14
15
12/12 LS & MS Conference Day
14
15
16
17
18
19
20
1/6-9 US Conference Days
11
12
13
14
15
16
17
16
17
18
19
20
21
22
12/22–1/2 Winter Break
21
22
23
24
25
26
27
1/19 Martin Luther King Jr. Day
18
19
20
21
22
23
24
23
24
25
26
27
28
29
28
29
30
31
25
26
27
28
29
30
31
S
M
T
W
T
F
S
APRIL ’26
SS
M M
TT
W W
TT
FF
S
2
3
4
5
6
7
3/28-4/5 Grade 8 Discovery Week
1
2
3
4
6
7
8
9
10
11
30
FEBRUARY ’26
S
M
T
W
T
F
S
MARCH ’26
2/16 Presidents’ Day
1
2
3
4
5
6
7
3/2-6 Mid-Winter Break
1
2/17 Lunar New Year
8
9
10
11
12
13
14
3/9 Professional Work Day
8
9
10
11
12
13
14
4/6-10 Spring Break
5
2/27 End of Second Trimester
15
16
17
18
19
20
21
3/27 Lower School Conference Day
15
16
17
18
19
20
21
4/13 Professional Work Day
12
13
14
15
16
17
18
22
23
24
25
26
27
28
3/27-4/5 Grade 8 Discovery Week
22
23
24
25
26
27
28
19
20
21
22
23
24
25
29
30
31
26
27
28
29
30
S
M
T
W
T
F
S
JULY ’26
SS
M M
TT
W W
TT
FF
S
1
2
3
4
5
6
7/4 Independence Day
1
2
3
4
7
8
9
10
11
12
13
6/22–8/14 Summer at Parker
14
15
16
17
18
19
21
22
23
24
25
26
28
29
30
MAY ’26
S
M
T
W
T
5/4-8 AP Exams
F
S
JUNE ’26
1
2
6/10 Last Day of Classes (JK-11) 6/11 Middle School Promotion
5/9 Gala
3
4
5
6
7
8
9
5/11-15 AP Exams
10
11
12
13
14
15
16
5/23 Affinity Group Celebrations
17
18
19
20
21
22
23
5/25 Memorial Day
24
25
26
27
28
29
30
5/30 Commencement
31
Updated July 28, 2025
6/12 Lower School Promotion 6/15-18 Professional Work Days 6/19 Juneteenth
5
6
7
8
9
10
11
20
12
13
14
15
16
17
18
27
19
20
21
22
23
24
25
26
27
28
29
30
31
6/22 First Day of Summer at Parker Total school days: 186 | Total required by CAIS: 175