Start of School 2024 -2025

Important Middle School Dates

Orientation Programming
Thursday, August 28: Grade 8 Orientation (Camp Nonesuch and on Campus) 
Friday, August 29: Grades 6 and 7 Orientation (On Campus)
First Week of School
Tuesday, September 2: First day of school - Leadership Lab in Middle School 
Friday, September 5: First day of academic classes in Middle School
Monday, September 8: School picture day
Key Parent Events, Fall 2025
Thursday, August 28: Grade 8 Parent Coffee
Friday, August 29: Grades 6 and 7 Parent Coffees 
Thursday, September 4: Middle School sports begin 
Thursday, September 11: Middle School Parent Orientation (6:30 p.m.)
Thursday, September 25: Parents' League Welcome Meeting (8:30 a.m.)
Thursday, September 25: Middle School Mini School (6:30 p.m.)

Important Upper School Dates

Orientation Programing, Leadership Retreat, and Pre-Season Athletics
August 25: Student Leadership Retreat (for students in designated leadership positions, including varsity captains)  
August 26: Grade 9 Welcome 
August 27: Grade 9 On-Campus Orientation
August 27: Student Leadership Retreat (for juniors and seniors in designated leadership positions, including varsity captains).  
August 27–28: Grade 10 Overnight Orientation (at Windsor Mountain)
August 28: Grade 11 Orientation (at Boundless Adventures)
August 27–28: Grade 12 Whitewater Rafting Trip
August 29–30: Varsity Pre-Season Practices and Tryouts. 
First Week of School
Tuesday, September 2: First day of school
Thursday, September 4: Sub-varsity sports begin 
Monday, September 8: School picture day
Monday and Tuesday, September 8 and 9 (3:30 to 5:00 p.m.): Upper School Fall play auditions

Key Parent Events, Fall 2025
Monday, September 8 (8:30 a.m.): 9th Grade Parent Coffee
Tuesday, September 9 (8:30 a.m.): 10th Grade Parent Coffee
Tuesday, September 9 (6:30 p.m.): 12th Grade Parent Meeting with the College Office 
Wednesday, September 10 (8:30 a.m.): 11th Grade Parent Coffee
Monday, September 29 (6:30 p.m.):  Grade 9 dinner and discussion
Saturday, October 4: Upper School Mini School (8:30 a.m. to 12:30 p.m.)
November 24–25: Parent Conferences




Information for Middle School

Information for Upper School

333 Winter Street Weston, MA 02493
P: 781.235.9300 F: 781.239.3614
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Rivers admits academically qualified students and does not discriminate against students or families on the basis of race, religion, gender, sexual orientation, disability, or ethnic or national origin in the administration of its educational programs, admissions policies, scholarship and loan programs, athletic programs, and other school-administered programs.