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December 2025
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, November 30
Thanksgiving Break - No School
MML Hockey Team
Monday, December 1
E Day
All Day
Chinese Club
-
Enviromental Club
-
Film Club
-
Squash
-
MML Hockey Team vs. St. Mary's High School @ Cheektowaga Town Rink
Varsity Basketball vs. Pembroke High School (Home)
Tuesday, December 2
F Day
All Day
Giving Tuesday
Black Student Union
-
Games Club Meeting
-
Rock Climbing Club
-
Varsity Bowling vs. Sacred Heart Academy
MML Hockey Team vs. Niagara County @ NU Dwyer Rink
Squash
Varsity Fencing
Varsity Basketball vs. Sacred Heart Academy (Away)
Wednesday, December 3
A Day
All Day
Squash
-
Varsity Bowling
Varsity Basketball vs. Kenmore East High School (Away)
Thursday, December 4
B Day
All Day
Senior Presentation - Sophia
-
SEMacords
-
ASL Club
-
French Club
-
Morgan's Message Meeting
-
Varsity Basketball
-
Squash
-
Varsity Bowling vs. Nardin Academy High School
MML Hockey Team
Varsity Fencing
Friday, December 5
Hanging of the Greens
Varsity Basketball
-
Saturday, December 6
SEM/BSAA Holiday Bazaar
-
Sunday, December 7
Monday, December 8
C Day
All Day
ConnectLife Club Meeting
-
Film Club
-
Robotics Club
-
Squash
-
Entrance Exam Prep Course (English)
-
Varsity Basketball vs. Tapestry Charter School
Tuesday, December 9
D Day
All Day
Senior Presentation - Scarlett
-
Rock Climbing Club
-
Seminaria Meeting
-
The Open Doors Initiative
-
Varsity Bowling vs. Mount Mercy Academy
Varsity Basketball
-
Squash vs. Nardin Academy High School (Away)
Entrance Exam Prep Course (Math)
-
Varsity Fencing
Wednesday, December 10
E Day
All Day
Varsity Bowling
Squash
-
Varsity Basketball
-
MML Hockey Team
Thursday, December 11
F Day
All Day
Senior Presentation - Ellie D
-
BSU Meeting
-
Chinese Club
-
GSA
-
Varsity Bowling vs. Blind
Squash vs. Nichols School (Away)
MML Hockey Team vs. Kenmore/Grand Island/Lockport (KENGIL)
Varsity Fencing
Varsity Basketball vs. Buffalo Academy of Sciences (Away)
Friday, December 12
A Day
All Day
NHS Meeting
-
ASL Club
-
Science Olympiad
-
Zonta Z Club
-
Cupcake Decorating
-
Varsity Basketball
-
Saturday, December 13
SEM Entrance Exam
-
Gingerbread Decorating Contest
-
Sunday, December 14
Monday, December 15
B Day
All Day
Day Student Application Deadline
All Day
French Club
-
MSA Meeting
-
Robotics Club
-
Tea Club Meeting
-
Varsity Basketball
-
Squash
-
Tuesday, December 16
C Day
All Day
Senior Presentation - Ellie B
-
Senior Presentation - Rory
-
ConnectLife Club Meeting
-
Jewish Cultural Club
-
Seminaria Meeting
-
Squash
-
Varsity Bowling vs. Cardinal O' Hara High School
MML Hockey Team vs. Lancaster/Iroquiois/Depew/Alden (LIDA)
Varsity Fencing
Varsity Basketball vs. MST School - 197 (Away)
Wednesday, December 17
D Day
All Day
Holiday Cookie Gathering
-
Varsity Basketball
-
Varsity Bowling
Squash vs. 716 Squash (Home)
Thursday, December 18
E Day
All Day
Film Club
-
Morgan's Message Meeting
-
Science Club
-
Squash
-
Varsity Bowling vs. Sacred Heart Academy
MML Hockey Team vs. Hamburg/Eden/West Seneca (HEWS)
Varsity Fencing
Varsity Basketball vs. North Collins High School (Home)
Friday, December 19
F Day
All Day
Revel & Last Day of Classes
Varsity Basketball
-
Saturday, December 20
Student Residences Close at Noon
Sunday, December 21
Monday, December 22
Winter Break
All Day
Varsity Basketball
-
Squash
-
Tuesday, December 23
Winter Break
All Day
Varsity Basketball
-
Squash
-
Wednesday, December 24
Winter Break
All Day
Thursday, December 25
Winter Break
All Day
Friday, December 26
Winter Break
All Day
Varsity Basketball
-
Saturday, December 27
Sunday, December 28
Monday, December 29
Winter Break
All Day
Varsity Basketball
-
Squash
-
Tuesday, December 30
Winter Break
All Day
Varsity Basketball
-
Squash
-
Wednesday, December 31
Winter Break
All Day
Thursday, January 1
Day Student Financial Aid Application Deadline
All Day
Winter Break
All Day
Friday, January 2
Winter Break
All Day
Saturday, January 3