School Calendar 2021-22
Updated August 9, 2021
2021-22 MHS Calendar
The calendar is still subject to change, but you may download it here.
- August 24-26: New Employee Orientation
- August 26: Dorms open — Students Traveling Internationally
- August 31 - September 1: Staffulty Meetings
- September 1: Proctors Arrive
- September 2-3: Proctor Training
- September 3: Returning Students Arrive — Boarding & Day
- September 4: New Students Arrive — Boarding & Day
- September 4-7: Student Orientation/Programs
- September 9: First day of Classes
- September 9: Start of Fall Athletic Season
- September 17: Book of the School Signing
- September 24-25: Board of Trustee Weekend
- September 24: Ring Ceremony
- October 2: Admissions Open House
- October 15-18: Fall Family Weekend/Long Weekend
- October 16: Convocation (9:00 a.m., hybrid)
- October 19: Classes Resume
- November 15: Start of Winter Athletic Season
- November 17: Fall Harvest Luncheon
- November 20–28: Fall Break — No Classes
- November 29: Classes Resume
- December 3-4: Board of Trustee Weekend
- December 14: ISA Banquet and Performance
- December 18 - January 4: Winter Break — No Classes
- January 2-3: Student Travel Days
- January 3-4: Staffulty Professional Days
- January 5: Classes Resume
- January 6: Martin Luther King Jr. Day — All-School Programming
- January 17: Martin Luther King Jr. Day
- January 31: First Day of Second Semester
- February 4: Book of the School Signing
- February 11-14: Winter Long Weekend — No Classes
- February 15: Classes Resume
- February 25-26: Board of Trustees Weekend
- March 7: Start of the Spring Athletic Season
- March 12-28: Spring Break — No Classes
- March 27-28: Student Travel Days
- March 28: Staffulty Professional Day
- March 29: Classes Resume
- April 4: Accepted Students Day
- April 20: Founder's Day (Observed) and JEDII Teach-In
- April 22: ISA Culture Fair
- May 12-13: Board of Trustees Weekend
- May 13-15: Reunion Weekend
- May 31: Alumnae Induction/Sending Forth Dinner
- June 1: Last Day of Classes for Seniors
- June 3: Last Day of Classes for Undergrads
- June 4: Senior Awards
- June 5: Commencement
- June 6: Dorms close at 12:00 p.m.; Summer Vacation begins
- June 6-7: Staffulty Meetings