School Calendar

Name: School Closed: Holiday Recess
Start: 2026-01-02T00:00:00-05:00
End: 2026-01-02T23:59:59-05:00

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2025-2026 Holidays & Major Events (PDF / print version) – UPDATED SEPTEMBER 2025

M	T	W	T	F	S	S
7 events 1 7 events, 1 2025-12-01 MS Trimester 2 begins (MS) MS Trimester 2 begins (MS) December 1 MS Trimester 2 begins (MS) Middle School 2025-12-01 MS Monday WK1 MS Monday WK1 December 1 MS Monday WK1 2025-12-01 US Monday WK1 US Monday WK1 December 1 US Monday WK1 3:45 pm JV Boys Basketball at BWL (A) December 1 @ 3:45 pm EST JV Boys Basketball at BWL (A) JV Boys Basketball at BWL (A), 4:15 pm Varsity Girls Basketball vs BWL (H) December 1 @ 4:15 pm EST Varsity Girls Basketball vs BWL (H) Varsity Girls Basketball vs BWL (H), 4:45 pm Varsity Girls Basketball vs BWL (H) December 1 @ 4:45 pm EST Varsity Girls Basketball vs BWL (H) Varsity Girls Basketball vs BWL (H) + 1 More	11 events 2 11 events, 2 2025-12-02 US Tuesday WK1 US Tuesday WK1 December 2 US Tuesday WK1 2025-12-02 MS Tuesday WK1 MS Tuesday WK1 December 2 MS Tuesday WK1 2025-12-02 Varsity Girls Basketball at York Prep (A) Varsity Girls Basketball at York Prep (A) December 2 Varsity Girls Basketball at York Prep (A) Varsity Girls Basketball at York Prep (A) 9:00 am - 10:00 am 9-10am – Lower School Admissions Info Session & Tour December 2 @ 9:00 am - 10:00 am EST 9-10am – Lower School Admissions Info Session & Tour, 3:45 pm JV Boys Basketball vs York Prep (H) December 2 @ 3:45 pm EST JV Boys Basketball vs York Prep (H) JV Boys Basketball vs York Prep (H), 4:00 pm Junior Varsity GRAY Basketball vs Brooklyn Friends (H) December 2 @ 4:00 pm EST Junior Varsity GRAY Basketball vs Brooklyn Friends (H) Junior Varsity GRAY Basketball vs Brooklyn Friends (H) + 5 More	6 events 3 6 events, 3 2025-12-03 MS Wednesday WK1 MS Wednesday WK1 December 3 MS Wednesday WK1 2025-12-03 US Wednesday WK1 US Wednesday WK1 December 3 US Wednesday WK1 2025-12-03 Boys Varsity Basketball Columbia Prep Tip Off Tournament Boys Varsity Basketball Columbia Prep Tip Off Tournament December 3 Boys Varsity Basketball Columbia Prep Tip Off Tournament Boys Varsity Basketball Columbia Prep Tip Off Tournament 2025-12-03 Ivy League Indoor Track Meet Ivy League Indoor Track Meet December 3 Ivy League Indoor Track Meet Ivy League Indoor Track Meet 9:00 am - 11:00 am 9-11am – Upper School Admissions Open House December 3 @ 9:00 am - 11:00 am EST 9-11am – Upper School Admissions Open House, 5:45 pm Boys Varsity Basketball Columbia Prep Tip Off Tournament December 3 @ 5:45 pm EST Boys Varsity Basketball Columbia Prep Tip Off Tournament Boys Varsity Basketball Columbia Prep Tip Off Tournament	10 events 4 10 events, 4 2025-12-04 Make Up Picture Day Make Up Picture Day December 4 Make Up Picture Day 2025-12-04 MS Thursday WK1 MS Thursday WK1 December 4 MS Thursday WK1 2025-12-04 US Thursday WK1 US Thursday WK1 December 4 US Thursday WK1 2025-12-04 Boys Varsity Basketball Columbia Prep Tip Off Tournament Boys Varsity Basketball Columbia Prep Tip Off Tournament December 4 Boys Varsity Basketball Columbia Prep Tip Off Tournament Boys Varsity Basketball Columbia Prep Tip Off Tournament 2025-12-04 Varsity Girls Basketball Columbia Prep Tip Off Tournament Varsity Girls Basketball Columbia Prep Tip Off Tournament December 4 Varsity Girls Basketball Columbia Prep Tip Off Tournament Varsity Girls Basketball Columbia Prep Tip Off Tournament 2025-12-04 Upper School Winter Sports Picture Day 1 Upper School Winter Sports Picture Day 1 December 4 Upper School Winter Sports Picture Day 1 9:00 am - 10:00 am 9-10am – Middle School Admissions Info Session & Tour December 4 @ 9:00 am - 10:00 am EST 9-10am – Middle School Admissions Info Session & Tour, 3:30 pm Varsity Girls Basketball Columbia Prep Tip Off Tournament December 4 @ 3:30 pm EST Varsity Girls Basketball Columbia Prep Tip Off Tournament Varsity Girls Basketball Columbia Prep Tip Off Tournament, 5:15 pm Varsity Girls Basketball Columbia Prep Tip Off Tournament December 4 @ 5:15 pm EST Varsity Girls Basketball Columbia Prep Tip Off Tournament Varsity Girls Basketball Columbia Prep Tip Off Tournament + 1 More	6 events 5 6 events, 5 2025-12-05 MS Friday WK1 MS Friday WK1 December 5 MS Friday WK1 2025-12-05 US Friday WK1 US Friday WK1 December 5 US Friday WK1 2025-12-05 Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals (if qualified) Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals (if qualified) December 5 Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals (if qualified) Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals (if qualified) 2025-12-05 Varsity Girls Basketball Columbia Prep Tip Off Tournament Varsity Girls Basketball Columbia Prep Tip Off Tournament December 5 Varsity Girls Basketball Columbia Prep Tip Off Tournament Varsity Girls Basketball Columbia Prep Tip Off Tournament 3:30 pm MS ISAL Swim Meet December 5 @ 3:30 pm EST MS ISAL Swim Meet MS ISAL Swim Meet, 6:00 pm Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals (if qualified) December 5 @ 6:00 pm EST Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals (if qualified) Boys Varsity Basketball Columbia Prep Tip Off Tournament Finals *(if qualified)	0 events 6 0 events, 6	0 events 7 0 events, 7
8 events 8 8 events, 8 2025-12-08 MS Monday WK2 MS Monday WK2 December 8 MS Monday WK2 2025-12-08 US Monday WK2 US Monday WK2 December 8 US Monday WK2 2025-12-08 Varsity Boys Basketball at LREI (A) Varsity Boys Basketball at LREI (A) December 8 Varsity Boys Basketball at LREI (A) Varsity Boys Basketball at LREI (A) 2025-12-08 JV Boys Basketball at LREI (A) JV Boys Basketball at LREI (A) December 8 JV Boys Basketball at LREI (A) JV Boys Basketball at LREI (A) 4:00 pm JV Boys Basketball at LREI (A) December 8 @ 4:00 pm EST JV Boys Basketball at LREI (A) JV Boys Basketball at LREI (A), 4:15 pm Varsity Girls Basketball vs LREI (H) December 8 @ 4:15 pm EST Varsity Girls Basketball vs LREI (H) Varsity Girls Basketball vs LREI (H), 4:45 pm Varsity Girls Basketball vs LREI (H) December 8 @ 4:45 pm EST Varsity Girls Basketball vs LREI (H) Varsity Girls Basketball vs LREI (H) + 1 More	7 events 9 7 events, 9 2025-12-09 US: Upper School Winter Play US: Upper School Winter Play December 9 US: Upper School Winter Play 2025-12-09 US Tuesday WK2 US Tuesday WK2 December 9 US Tuesday WK2 2025-12-09 MS Tuesday WK2 MS Tuesday WK2 December 9 MS Tuesday WK2 3:30 pm Junior Varsity GRAY Basketball at LREI (A) December 9 @ 3:30 pm EST Junior Varsity GRAY Basketball at LREI (A) Junior Varsity GRAY Basketball at LREI (A), 4:15 pm Varsity Girls Basketball vs Garden (H) December 9 @ 4:15 pm EST Varsity Girls Basketball vs Garden (H) Varsity Girls Basketball vs Garden (H), 4:15 pm Varsity Boys Basketball at Friends Seminary (A) December 9 @ 4:15 pm EST Varsity Boys Basketball at Friends Seminary (A) Varsity Boys Basketball at Friends Seminary (A) + 1 More	9 events 10 9 events, 10 2025-12-10 US: Upper School Winter Play US: Upper School Winter Play December 10 US: Upper School Winter Play 2025-12-10 US Wednesday WK2 US Wednesday WK2 December 10 US Wednesday WK2 2025-12-10 MS Wednesday WK2 MS Wednesday WK2 December 10 MS Wednesday WK2 2025-12-10 Varsity Boys Basketball at Garden (A) Varsity Boys Basketball at Garden (A) December 10 Varsity Boys Basketball at Garden (A) Varsity Boys Basketball at Garden (A) 2025-12-10 JV Boys Basketball at Garden (A) JV Boys Basketball at Garden (A) December 10 JV Boys Basketball at Garden (A) JV Boys Basketball at Garden (A) 2025-12-10 Ivy League Indoor Track Meet Ivy League Indoor Track Meet December 10 Ivy League Indoor Track Meet Ivy League Indoor Track Meet 9:00 am - 10:00 am 9-10am – Lower School Admissions Info Session & Tour December 10 @ 9:00 am - 10:00 am EST 9-10am – Lower School Admissions Info Session & Tour, 4:30 pm Varsity Boys Basketball at Garden (A) December 10 @ 4:30 pm EST Varsity Boys Basketball at Garden (A) Varsity Boys Basketball at Garden (A), 7:00 pm - 8:00 pm 7pm – US: Upper School Winter Play December 10 @ 7:00 pm - 8:00 pm EST 7pm – US: Upper School Winter Play	10 events 11 10 events, 11 2025-12-11 US: Upper School Winter Play US: Upper School Winter Play December 11 US: Upper School Winter Play 2025-12-11 MS Thursday WK2 MS Thursday WK2 December 11 MS Thursday WK2 2025-12-11 US Thursday WK2 US Thursday WK2 December 11 US Thursday WK2 2025-12-11 MS Boys Basketball at Garden (A) MS Boys Basketball at Garden (A) December 11 MS Boys Basketball at Garden (A) MS Boys Basketball at Garden (A) 9:00 am - 10:00 am 9-10am – Upper School Admissions Info Session & Tour December 11 @ 9:00 am - 10:00 am EST 9-10am – Upper School Admissions Info Session & Tour, 3:30 pm ISAL Varsity Swim Meet December 11 @ 3:30 pm EST ISAL Varsity Swim Meet ISAL Varsity Swim Meet, 3:45 pm Junior Varsity GRAY Basketball vs Geneva School (H) December 11 @ 3:45 pm EST Junior Varsity GRAY Basketball vs Geneva School (H) Junior Varsity GRAY Basketball vs Geneva School (H) + 3 More	5 events 12 5 events, 12 2025-12-12 US: Upper School Winter Play US: Upper School Winter Play December 12 US: Upper School Winter Play 2025-12-12 US Friday WK2 US Friday WK2 December 12 US Friday WK2 2025-12-12 MS Friday WK2 MS Friday WK2 December 12 MS Friday WK2 9:00 am - 10:00 am 9-10am – Middle School Admissions Info Session & Tour December 12 @ 9:00 am - 10:00 am EST 9-10am – Middle School Admissions Info Session & Tour, 4:00 pm - 6:30 pm 4-6:30pm – Faculty/Staff Holiday Party December 12 @ 4:00 pm - 6:30 pm EST 4-6:30pm – Faculty/Staff Holiday Party	0 events 13 0 events, 13	0 events 14 0 events, 14
2 events 15 2 events, 15 2025-12-15 US Monday WK1 US Monday WK1 December 15 US Monday WK1 2025-12-15 MS Monday WK1 MS Monday WK1 December 15 MS Monday WK1	6 events 16 6 events, 16 2025-12-16 US Tuesday WK1 US Tuesday WK1 December 16 US Tuesday WK1 2025-12-16 MS Tuesday WK1 MS Tuesday WK1 December 16 MS Tuesday WK1 2025-12-16 JV Boys Basketball at Steiner (A) JV Boys Basketball at Steiner (A) December 16 JV Boys Basketball at Steiner (A) JV Boys Basketball at Steiner (A) 4:00 pm MS Boys Basketball vs Dwight (H) December 16 @ 4:00 pm EST MS Boys Basketball vs Dwight (H) MS Boys Basketball vs Dwight (H), 4:30 pm JV Boys Basketball at Steiner (A) December 16 @ 4:30 pm EST JV Boys Basketball at Steiner (A) JV Boys Basketball at Steiner (A), 5:00 pm - 8:30 pm 5-8:30pm – US: Upper School Winter Arts Festival December 16 @ 5:00 pm - 8:30 pm EST 5-8:30pm – US: Upper School Winter Arts Festival	3 events 17 3 events, 17 2025-12-17 US Wednesday WK1 US Wednesday WK1 December 17 US Wednesday WK1 2025-12-17 MS Wednesday WK1 MS Wednesday WK1 December 17 MS Wednesday WK1 2025-12-17 Upper School Winter Sports Picture Day 2 Upper School Winter Sports Picture Day 2 December 17 Upper School Winter Sports Picture Day 2	7 events 18 7 events, 18 2025-12-18 MS Thursday WK1 MS Thursday WK1 December 18 MS Thursday WK1 2025-12-18 US Thursday WK1 US Thursday WK1 December 18 US Thursday WK1 2025-12-18 Varsity Girls Basketball at Garden (A) Varsity Girls Basketball at Garden (A) December 18 Varsity Girls Basketball at Garden (A) Varsity Girls Basketball at Garden (A) 4:15 pm CANCELLED: JV Boys Basketball vs Garden (H) December 18 @ 4:15 pm EST CANCELLED: JV Boys Basketball vs Garden (H) CANCELLED: JV Boys Basketball vs Garden (H), 4:15 pm Varsity Boys Basketball vs Garden (H) December 18 @ 4:15 pm EST Varsity Boys Basketball vs Garden (H) Varsity Boys Basketball vs Garden (H), 5:00 pm Varsity Girls Basketball at Garden (A) December 18 @ 5:00 pm EST Varsity Girls Basketball at Garden (A) Varsity Girls Basketball at Garden (A) + 1 More	3 events 19 3 events, 19 2025-12-19 Last Day of Classes Before Holiday Recess Last Day of Classes Before Holiday Recess December 19 Last Day of Classes Before Holiday Recess 2025-12-19 MS Friday WK1 MS Friday WK1 December 19 MS Friday WK1 2025-12-19 US Friday WK1 US Friday WK1 December 19 US Friday WK1	0 events 20 0 events, 20	0 events 21 0 events, 21
1 event 22 1 event, 22 2025-12-22 School Closed: Holiday Recess School Closed: Holiday Recess December 22 School Closed: Holiday Recess	1 event 23 1 event, 23 2025-12-23 School Closed: Holiday Recess School Closed: Holiday Recess December 23 School Closed: Holiday Recess	1 event 24 1 event, 24 2025-12-24 School Closed: Holiday Recess School Closed: Holiday Recess December 24 School Closed: Holiday Recess	1 event 25 1 event, 25 2025-12-25 School Closed: Holiday Recess School Closed: Holiday Recess December 25 School Closed: Holiday Recess	1 event 26 1 event, 26 2025-12-26 School Closed: Holiday Recess School Closed: Holiday Recess December 26 School Closed: Holiday Recess	0 events 27 0 events, 27	0 events 28 0 events, 28
1 event 29 1 event, 29 2025-12-29 School Closed: Holiday Recess School Closed: Holiday Recess December 29 School Closed: Holiday Recess	1 event 30 1 event, 30 2025-12-30 School Closed: Holiday Recess School Closed: Holiday Recess December 30 School Closed: Holiday Recess	1 event 31 1 event, 31 2025-12-31 School Closed: Holiday Recess School Closed: Holiday Recess December 31 School Closed: Holiday Recess