All-School Calendar

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US Delayed Start - classes begin at 10am

Upper School Category: Academics. Event Type: In-person. Tuesday, November 11, 2025.

Veterans Day

Employee Events Category: Holidays. Event Type: In-person. Tuesday, November 11, 2025.

K-12 Flagpole Ceremony

Employee Events Category: Academics. Event Type: In-person. Tuesday, November 11, 2025, 10:50 AM – 11:05 AM.

Winter Play Auditions

Upper School Category: Student Activities. Arts. Event Type: In-person. Wednesday, November 12, 2025, 1:30 PM.

Hunger Awareness Day for US & MS

Employee Events Category: Community Engagement. Event Type: In-person. Thursday, November 13, 2025.

Thank-a-Giver Day event

Employee Events Category: Academics. Event Type: In-person. Thursday, November 13, 2025, 9:00 AM – 1:00 PM. Student Center upper level.

Upper School Fall Musical: Hadestown (matinee)

Upper School Category: Arts. Event Type: In-person. Thursday, November 13, 2025, 1:20 PM. King Theater.

Winter Play Auditions

Upper School Category: Arts. Student Activities. Event Type: In-person. Thursday, November 13, 2025, 3:30 PM.

Gratwick Concert in memory of Katharine Perkins Gratwick, Class of 1924: Jiayan Sun, piano

Employee Events Category: Arts. Event Type: In-person. Thursday, November 13, 2025, 7:00 PM – 8:00 PM. Straus Library. For more info visit events.milton.edu.

Gratwick Concert Reception

Employee Events Category: Arts. Event Type: In-person. Thursday, November 13, 2025, 8:00 PM – 9:00 PM. Arts Commons.

MS Fall Student Social; No Ware Drop-In (WDI) available

Middle School Category: All Grades 6–8. Student Activities. Event Type: In-person. Friday, November 14, 2025, 4:00 PM – 5:30 PM. CSG gym.

MS Parent/Guardian Fall Social

Middle School Category: All Grades 6–8. Parents. Event Type: In-person. Friday, November 14, 2025, 4:00 PM – 5:30 PM. Straus Library.

Upper School Fall Musical: Hadestown

Upper School Category: Arts. Event Type: In-person. Friday, November 14, 2025, 7:00 PM. King Theater.

Milton @ Boston Latin School Model United Nations Conference (BLSMUN)

Upper School Category: Academics. Student Activities. Event Type: In-person. Saturday, November 15, 2025. Boston, MA.

US Speech & Debate: Gracia Burkill

Upper School Category: Student Activities. Event Type: In-person. Saturday, November 15, 2025. Natick, MA.

Saturday Course Session 2: Grades 5 - 8

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, November 15, 2025.

Upper School Fall Musical: Hadestown

Upper School Category: Arts. Event Type: In-person. Saturday, November 15, 2025, 7:00 PM. King Theater.

Blue week

Middle School Category: Academics. Event Type: In-person. Monday, November 17, 2025.

Winter Dance Concert Auditions

Upper School Category: Arts. Student Activities. Event Type: In-person. Monday, November 17, 2025, 3:30 PM.

Winter Dance Concert Auditions

Upper School Category: Arts. Student Activities. Event Type: In-person. Tuesday, November 18, 2025, 3:30 PM.

Field Hockey Banquet

Upper School Category: Athletics: US. Event Type: In-person. Tuesday, November 18, 2025, 6:00 PM – 8:30 PM. Goodwin Room.

Winter Dance Concert Callbacks

Upper School Category: Arts. Student Activities. Event Type: In-person. Wednesday, November 19, 2025, 1:30 PM.

Middle School Early Dismissal at 12:15pm for Family/Teacher Conferences

Middle School Category: Annual Calendar: MS 2025-2026. Event Type: In-person. Thursday, November 20, 2025.

US Jazz Concert

Upper School Category: Arts. Event Type: In-person. Thursday, November 20, 2025, 7:30 PM. King Theater.

Middle School Family/Teacher Conferences (no classes)

Middle School Category: Annual Calendar: MS 2025-2026. Event Type: In-person. Friday, November 21, 2025.

Houses close at 9pm Nov 21 for domestic travelers/8am Nov 22 for international travelers or with permission from house head

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Friday, November 21, 2025.

Fall Break begins end of day for Upper School & Lower School

Lower School Category: Annual Calendar: LS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Friday, November 21, 2025.

Saturday Course Session 2: Grades 5 - 8

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, November 22, 2025.

Fall Break Nov 24 - 28 for LS & MS students

Middle School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Event Type: In-person. Monday, November 24, 2025.

Fall Break Nov 24 - Dec 1 for Upper School students

Upper School Category: Annual Calendar: US 2025-2026. Event Type: In-person. Monday, November 24, 2025.

Staff fall break

Employee Events Category: Holidays. Event Type: In-person. Wednesday, November 26, 2025 – Friday, November 28, 2025.

Thanksgiving

Employee Events Category: Holidays. Event Type: In-person. Thursday, November 27, 2025.

Orange week

Middle School Category: Academics. Event Type: In-person. Monday, December 1, 2025.

Houses open at 3pm for boarder return/boarding students arrive by 8pm

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Monday, December 1, 2025.

Classes resume for LS and MS

Lower School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Event Type: In-person. Monday, December 1, 2025.

Orange week

Upper School Category: Academics. Event Type: In-person. Tuesday, December 2, 2025.

Upper School classes resume

Upper School Category: Annual Calendar: US 2025-2026. Event Type: In-person. Tuesday, December 2, 2025.

#GivingTuesday event

Employee Events Category: Academics. Event Type: In-person. Tuesday, December 2, 2025, 9:00 AM – 10:30 AM. Student Center upper level.

USPA Zoom: Campus Safety at Milton with Heidi Vanderbilt-Brown

Upper School Category: Parents. Event Type: Virtual. Tuesday, December 2, 2025, 7:00 PM – 8:00 PM.

MS Picture Day Retakes

Middle School Category: All Grades 6–8. Event Type: In-person. Wednesday, December 3, 2025.

One Act Auditions

Upper School Category: Arts. Student Activities. Event Type: In-person. Wednesday, December 3, 2025, 1:30 PM.

US Speech & Debate: Lincoln Sudbury Showdown

Upper School Category: Student Activities. Event Type: In-person. Saturday, December 6, 2025. Sudbury, MA.

Saturday Course Session 2: Grades 5 - 8

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, December 6, 2025.

Blue week

Middle School Category: Academics. Event Type: In-person. Monday, December 8, 2025.

M Cubed math contest

Middle School Category: Academics. Event Type: In-person. Monday, December 8, 2025, 3:30 PM – 5:45 PM. FMC Hobbs Commons.

SYA Regional Interest meeting

Upper School Category: Student Activities. Event Type: In-person. Monday, December 8, 2025, 6:00 PM – 7:30 PM. Straus Library.

LSPA meeting

Lower School Category: Parents. Event Type: In-person. Wednesday, December 10, 2025, 8:15 AM – 9:15 AM. CSG conference room.

Women of Color Alumni and Student dinner

Upper School Category: Community Engagement. Student Activities. Event Type: In-person. Thursday, December 11, 2025, 6:00 PM – 9:00 PM. Straus Library.

LS Peace and Light Family Performance (Grades 3 - 5)

Lower School Category: Arts. Event Type: In-person. Thursday, December 11, 2025, 6:00 PM – 7:00 PM. Thacher.

US Orchestral/Vocal Concert

Upper School Category: Arts. Event Type: In-person. Friday, December 12, 2025, 7:00 PM. King Theater.

US Speech & Debate: St Nick's Showdown

Upper School Category: Student Activities. Event Type: In-person. Saturday, December 13, 2025. Arlington, MA.

Saturday Course Session 2: Grades 5 - 8

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, December 13, 2025.

Private Music Lessons Recital

Upper School Category: Arts. Event Type: In-person. Saturday, December 13, 2025, 2:00 PM – 3:00 PM. Orchestra Room.

Hanukkah begins sundown (through 12/22)

Employee Events Category: Holidays. Event Type: In-person. Sunday, December 14, 2025.

ISSC Conference

Upper School Category: Student Activities. Event Type: In-person. Sunday, December 14, 2025, 10:00 AM – 2:30 PM. FMC Hobbs Commons.

Orange week

Middle School Category: Academics. Event Type: In-person. Monday, December 15, 2025.

Boarder Dinner

Upper School Category: Student Activities. Event Type: In-person. Wednesday, December 17, 2025. RSG Gym.

Winter break begins at 12pm (all buses depart at 12:15pm, no ASP for LS)

Middle School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Thursday, December 18, 2025.

Houses close at 9pm Dec 18 for domestic travelers/8am Dec 19 for international travelers or with permission from house head

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Thursday, December 18, 2025.

K-12 Winter Celebration

Middle School Category: Academics. Event Type: In-person. Thursday, December 18, 2025, 11:00 AM – 12:00 PM. Fitzgibbons Convocation Center.

Winter Break Dec 19 - Jan 5

Middle School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Friday, December 19, 2025.

US Speech & Debate: The Holly Festival

Upper School Category: Student Activities. Event Type: In-person. Saturday, December 20, 2025. Natick, MA.

Staff winter break Dec 23 - Jan 1

Employee Events Category: Holidays. Faculty and Staff: US. Faculty and Staff: MS. Faculty and Staff: LS. Event Type: In-person. Tuesday, December 23, 2025 – Thursday, January 1, 2026.

Christmas

Employee Events Category: Holidays. Event Type: In-person. Thursday, December 25, 2025.

Kwanzaa begins (through Jan 1)

Employee Events Category: Holidays. Event Type: In-person. Friday, December 26, 2025.

New Year's Day

Employee Events Category: Holidays. Event Type: In-person. Thursday, January 1, 2026.

Houses open at 3pm for boarder return/boarding students arrive by 8pm

Upper School Category: Annual Calendar: US 2025-2026. Event Type: In-person. Monday, January 5, 2026.

Blue week

Middle School Category: Academics. Event Type: In-person. Tuesday, January 6, 2026.

Classes resume

Lower School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Tuesday, January 6, 2026.

K-12 Haitian New Year Celebration

Lower School Category: Academics. Event Type: In-person. Friday, January 9, 2026, 7:00 PM – 10:00 PM. FMC Hobbs Commons.

US Speech & Debate: Winter Festival

Upper School Category: Student Activities. Event Type: In-person. Saturday, January 10, 2026. Newton South HS, Newton, MA.

Saturday Course Session 3: Grade 4 and new Grade 5 students

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, January 10, 2026.

MS Speech Shrewsbury New Year Tournament

Middle School Category: Student Activities. Event Type: In-person. Sunday, January 11, 2026. Oak Middle School.

Lower School Skating Party

Lower School Category: All Grades K–5. Student Activities. Parents. Event Type: In-person. Sunday, January 11, 2026, 1:00 PM – 2:50 PM. Rink.

Orange week

Middle School Category: Academics. Event Type: In-person. Monday, January 12, 2026.

Influence Opening Reception (curated by Lou Jones)

Employee Events through March 4, 2026. Category: Arts. Event Type: In-person. Thursday, January 15, 2026, 5:30 PM – 7:00 PM. Nesto Gallery.

K-12 Parent Education Forum

Middle School Category: Parents. Event Type: In-person. Thursday, January 15, 2026, 6:30 PM – 8:30 PM. Goodwin Room & Ware Hall classrooms.

Saturday Course Session 3: Grade 4 and new Grade 5 students

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, January 17, 2026.

US Speech & Debate: Congress NSDA Qualifiers

Upper School Category: Student Activities. Event Type: In-person. Sunday, January 18, 2026.

Martin Luther King, Jr. Day (no classes)

Lower School Category: Holidays. Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Monday, January 19, 2026.

Staff holiday

Employee Events Category: Faculty and Staff: LS. Faculty and Staff: MS. Faculty and Staff: US. Holidays. Event Type: In-person. Monday, January 19, 2026.

Blue week

Middle School Category: Academics. Event Type: In-person. Tuesday, January 20, 2026.

MS Assessment Week Jan 20 - Jan 22

Middle School Category: All Grades 6–8. Annual Calendar: MS 2025-2026. Event Type: In-person. Tuesday, January 20, 2026 – Thursday, January 22, 2026. Ware Hall classrooms & Goodwin Room.

Classes resume

Lower School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Tuesday, January 20, 2026.

6-12 Programming: Martin Luther King, Jr. Programming

Middle School Category: Academics. Event Type: In-person. Tuesday, January 20, 2026, 1:15 PM – 2:15 PM. FCC Court 1.

LS MLK Assembly

Lower School Category: All Grades K–5. Event Type: In-person. Tuesday, January 20, 2026, 1:15 PM – 2:15 PM. Thacher.

K-12 MLK Community Celebration

Middle School Category: Academics. Student Activities. Parents. Community Engagement. Event Type: In-person. Tuesday, January 20, 2026, 5:30 PM – 7:30 PM. Kellner Performing Arts Center.

Upper School Improv Night

Upper School Category: Arts. Event Type: In-person. Friday, January 23, 2026, 8:00 PM. King Theater.

Saturday Course Session 3: Grade 4 and new Grade 5 students

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, January 24, 2026.

Upper School Assessment Week

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Monday, January 26, 2026.

Upper School Assessment Week

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Tuesday, January 27, 2026.

Upper School Assessment Week

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Wednesday, January 28, 2026.

Upper School Assessment Week

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Thursday, January 29, 2026.

Upper School Assessment Week

Upper School Category: Academics. Annual Calendar: US 2025-2026. Event Type: In-person. Friday, January 30, 2026.

US Speech & Debate: NSDA Qualifiers

Upper School Category: Student Activities. Event Type: In-person. Friday, January 30, 2026 – Sunday, February 1, 2026.

Saturday Course Session 3: Grade 4 and new Grade 5 students

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, January 31, 2026.

No classes for all divisions

Lower School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person. Monday, February 2, 2026.

Blue week

Middle School Category: Academics. Event Type: In-person. Tuesday, February 3, 2026.

No classes for Upper School

Upper School Category: Annual Calendar: US 2025-2026. Event Type: In-person. Tuesday, February 3, 2026.

Classes resume for LS and MS

Lower School Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Event Type: In-person. Tuesday, February 3, 2026.

Blue week

Upper School Category: Academics. Event Type: In-person. Wednesday, February 4, 2026.

Classes resume for Upper School - special schedule

Upper School Category: Annual Calendar: US 2025-2026. Event Type: In-person. Wednesday, February 4, 2026.

Semester 2 begins

Middle School Category: Annual Calendar: US 2025-2026. Event Type: In-person. Thursday, February 5, 2026.

Pi Talk

Upper School Category: Academics. Student Activities. Event Type: In-person. Thursday, February 5, 2026, 7:00 PM – 8:00 PM. FMC Hobbs Commons.

USPA Zoom: Supporting your student through college acceptance and rejection with Amanda Chapin-Deehan

Upper School Category: Parents. Event Type: Virtual. Thursday, February 5, 2026, 7:00 PM – 8:00 PM.

Milton @ Boston University Model United Nations (BOSMUN)

Upper School Category: Student Activities. Event Type: In-person. Friday, February 6, 2026 – Sunday, February 8, 2026. Marriott Copley Place, Boston.

Gospel Explosion

Upper School Category: Student Activities. Arts. Event Type: In-person. Friday, February 6, 2026, 7:00 PM. Straus.

US Speech & Debate: NCFL Qualifiers

Upper School Category: Student Activities. Event Type: In-person. Saturday, February 7, 2026. Shrewsbury, MA.

Saturday Course Session 3: Grade 4 and new Grade 5 students

Employee Events Category: Academics. All Grades 6–8. All Grades K–5. Event Type: In-person. Saturday, February 7, 2026.

MS Pike "Stand Up For Speech!" Tournament

Middle School Category: Student Activities. Event Type: In-person. Sunday, February 8, 2026. Andover, MA.

Orange week

Middle School Category: Academics. Event Type: In-person. Monday, February 9, 2026.