Staff holiday
Employee Events
Category: Holidays. Event Type: In-person.
Thursday, July 3, 2025.
International New Student & Family Welcome Program
Upper School
Category: Annual Calendar: US 2025-2026. Event Type: In-person.
Wednesday, August 27, 2025.
Transitions Program Student & Family Welcome Program
Upper School
Category: Annual Calendar: US 2025-2026. Event Type: In-person.
Thursday, August 28, 2025.
Upper School New Student & Family Welcome Program
Upper School
Category: Annual Calendar: US 2025-2026. Event Type: In-person.
Saturday, August 30, 2025.
Returning boarding students begin arriving to campus
Upper School
Category: Annual Calendar: US 2025-2026. Event Type: In-person.
Monday, September 1, 2025.
Labor Day
Employee Events
Category: Holidays. Event Type: In-person.
Monday, September 1, 2025.
Staff holiday
Employee Events
Category: Faculty and Staff: LS. Faculty and Staff: MS. Faculty and Staff: US. Holidays. Event Type: In-person.
Monday, September 1, 2025.
Middle School New-to-Milton Student Orientation
Middle School
Category: All Grades 6–8. Annual Calendar: MS 2025-2026. Event Type: In-person.
Tuesday, September 2, 2025.
K-5 Meet the Teachers & Classroom Visits
Lower School
Category: All Grades K–5. Annual Calendar: LS 2025-2026. Event Type: In-person.
Tuesday, September 2, 2025.
Kindergarten and New Grade 4 Family Orientation
Lower School
Category: All Grades K–5. Annual Calendar: US 2025-2026. Event Type: In-person.
Tuesday, September 2, 2025, 10:00 AM – 11:00 AM.
Middle School All Student Programming (2pm dismissal, 2:15pm buses available)
Middle School
Category: All Grades 6–8. Annual Calendar: MS 2025-2026. Event Type: In-person.
Wednesday, September 3, 2025.
Orange week
Middle School
Category: Academics. Event Type: In-person.
Wednesday, September 3, 2025.
Upper School All Student Programming
Upper School
Category: Annual Calendar: US 2025-2026. Event Type: In-person.
Wednesday, September 3, 2025.
Bus service begins
Lower School
Category: Academics. Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person.
Wednesday, September 3, 2025.
Lower School ASP begins
Lower School
Category: All Grades K–5. Annual Calendar: LS 2025-2026. Event Type: In-person.
Wednesday, September 3, 2025.
Lower School First full day of classes (2pm dismissal, 2:15pm buses available, ASP begins)
Lower School
Category: All Grades K–5. Annual Calendar: LS 2025-2026. Event Type: In-person.
Wednesday, September 3, 2025.
Middle School All Student Programming (2pm dismissal, 2:15pm buses available)
Middle School
Category: All Grades 6–8. Annual Calendar: MS 2025-2026. Event Type: In-person.
Thursday, September 4, 2025.
Orange week
Middle School
Category: Academics. Event Type: In-person.
Thursday, September 4, 2025.
Upper School Classes Begin
Upper School
Category: Annual Calendar: US 2025-2026. Event Type: In-person.
Thursday, September 4, 2025.
Lower School classes continue (2pm dismissal, 2:15pm buses available)
Lower School
Category: All Grades K–5. Annual Calendar: LS 2025-2026. Event Type: In-person.
Thursday, September 4, 2025.
Middle School Parent/Guardian Welcome
Middle School
Category: All Grades 6–8. Parents. Event Type: In-person.
Thursday, September 4, 2025, 8:30 AM – 9:30 AM.
Straus Library.
Middle School All Student Programming (2pm dismissal, 2:15pm buses available)
Middle School
Category: All Grades 6–8. Annual Calendar: MS 2025-2026. Event Type: In-person.
Friday, September 5, 2025.
Orange week
Middle School
Category: Academics. Event Type: In-person.
Friday, September 5, 2025.
Lower School classes continue (2pm dismissal, 2:15pm buses available)
Lower School
Category: All Grades K–5. Annual Calendar: LS 2025-2026. Event Type: In-person.
Friday, September 5, 2025.
ACT Testing at Milton Academy
Upper School
Category: Academics. Event Type: In-person.
Saturday, September 6, 2025.
US Block Party
Upper School
Category: Student Activities. Event Type: In-person.
Saturday, September 6, 2025, 7:00 PM – 10:30 PM.
Quad.
MS Afternoon Program & ASP begin
Middle School
Category: Annual Calendar: MS 2025-2026. Event Type: In-person.
Monday, September 8, 2025.
SAT Testing at Milton Academy
Upper School
Category: Academics. Event Type: In-person.
Saturday, September 13, 2025.
Walter Horak '66: Go Figure sculpture exhibit
Employee Events
through June 2026.
Category: Arts. Event Type: In-person.
Tuesday, September 16, 2025.
front of AMC.
LS Curriculum Night
Lower School
Category: Annual Calendar: LS 2025-2026. Event Type: In-person.
Wednesday, September 17, 2025, 6:00 PM – 7:30 PM.
K-5 Classrooms & Thacher.
Tracy Penn: Ubiquitous - Microplastics in the Body Opening Reception
Employee Events
through October 29, 2025.
Category: Arts. Event Type: In-person.
Thursday, September 18, 2025, 5:30 PM – 7:00 PM.
Nesto Gallery.
US Student Activity: Mind Reader Eric Dittelman
Upper School
Category: Student Activities. Event Type: In-person.
Friday, September 19, 2025, 7:30 PM – 9:00 PM.
King Theatre.
Saturday Course Session 1: Grades 5 - 8
Employee Events
Category: All Grades 6–8. All Grades K–5. Academics. Event Type: In-person.
Saturday, September 20, 2025.
LS Fall Festival
Lower School
Category: All Grades K–5. Student Activities. Parents. Event Type: In-person.
Sunday, September 21, 2025, 2:00 PM – 4:00 PM.
JB Fields, rainspace: CSG gym.
Rosh Hashana begins sundown (through Wed 9/24)
Employee Events
Category: Holidays. Event Type: In-person.
Monday, September 22, 2025.
Rosh Hashanah (no classes)
Lower School
Category: Holidays. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Annual Calendar: LS 2025-2026. Event Type: In-person.
Tuesday, September 23, 2025.
Classes resume
Middle School
Category: Annual Calendar: LS 2025-2026. Annual Calendar: MS 2025-2026. Annual Calendar: US 2025-2026. Event Type: In-person.
Wednesday, September 24, 2025.
K-8 Admissions Tour Guide Training
Employee Events
Category: All Grades 6–8. All Grades K–5. Parents. Event Type: In-person.
Wednesday, September 24, 2025, 8:00 AM – 11:00 AM.
Thacher Room.
Middle School Family Day
Middle School
Category: All Grades 6–8. Annual Calendar: MS 2025-2026. Event Type: In-person.
Friday, September 26, 2025.
Saturday Course Session 1: Grades 5 - 8
Employee Events
Category: All Grades 6–8. All Grades K–5. Academics. Event Type: In-person.
Saturday, September 27, 2025.
CCO College Fair
Upper School
Category: College Counseling. Event Type: In-person.
Sunday, September 28, 2025, 1:00 PM – 3:00 PM.
Athletic & Convocation Center.
K-12 Programming: Hispanic & Latinx Heritage month
Employee Events
Category: Academics. Event Type: In-person.
Tuesday, September 30, 2025, 1:15 PM – 2:15 PM.
FCC Court 1.
Yom Kippur begins sundown (through 10/2)
Employee Events
Category: Holidays. Event Type: In-person.
Wednesday, October 1, 2025.
Yom Kippur (no classes)
Lower School
Category: Annual Calendar: US 2025-2026. Holidays. Annual Calendar: MS 2025-2026. Annual Calendar: LS 2025-2026. Event Type: In-person.
Thursday, October 2, 2025.