Northfield Mount Hermon School

We believe good lives grow from strong roots. So we created an environment where creativity, character, and natural curiosity can flourish.
As NMH graduates enter college and adulthood, they are well-educated, well-adjusted, well-liked and well-prepared to thrive. Because they are Well. Grounded.

Quick Stats (2021)

  • Top Ranked MA School
  • Grades: 9-12
  • Students: 650 students
  • Yearly Tuition: $63,500
  • Acceptance rate: 32%
  • Average class size: 11 students
  • Application Deadline: None / Rolling

Top Rankings

Northfield Mount Hermon School ranks among the top 20% of private schools in Massachusetts for:

Sports offered
School History

School Overview

Religious Affiliation
Grades Offered
Grades 9-12
Offers Post-Graduate Year
Year Founded
Summer School Offered
Summer Program Cost
Summer Program Cost Notes
Cost for day students is $3,000.
Summer Program Details

Student Body

Total Students
650 students
Student Body Type
% Students of Color
State avg.: 27%
Students by Grade
Northfield Mount Hermon School Student By Grade

Academics and Faculty

Total Classroom Teachers
91 teachers
Student : Teacher Ratio
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size
11 students
Number of AP Courses
28 courses
List of Courses Offered
Classroom Dress Code

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Day-student tuition costs $42,900.
% on Financial Aid
Average Financial Aid Grant
Acceptance Rate
National avg.: 85%
Admissions Director
Claude Anderson
Admissions Associate
Naomi Levine
Endowment Size
$139 million



Total ExtracurricularsTotal Extra-curric.
50 extracurriculars
AASA: Asian American Students Association, Amnesty International, Debate Club, Jewish Student Alliance, Mandala, Muslim Student Association, WNMH Radio

Club or Organization:
African Students Association, Breakaway (Christian fellowship), Chess Club, Chinese-Speaking Student Union, Circle of Sisters, Debate Society, End the Silence, Entrepreneurship Club, Found Threads (adoption focused club), Gender Sexuality Alliance, Girl Up, Hong Kong Student Assn., Hong Kong Student Association, Interfaith Student Council, Investment Club, Japanese Student Association, Jewish Student Alliance, Kazakh Student Association, Korean Student Assn., Mindfulness Meditation, Model United Nations, NMH Coding Club, Operation Happy Birthday, Orienteering, Russian-Speaking Student Association, SALSA Club, Science Club, South Asian Student Assn., Student Activities Committee, Student Alumni Association, Taiwanese Student Assn., The Bridge (newspaper), The Brothers, The F Word (feminist club), The Girl Effect (feminist club), The Hermonite (newspaper), The Mooncatcher Project (social service), Vietnamese Student Assn., Young Republicans

Arts and Music Programs:
Hogappella (a cappella), Northfield Mount Harmony (a cappella), The Nellies (a cappella), Theater Lab

School Notes

  • Northfield Mount Hermon (NMH) is a coed, independent boarding school of 655 students in grades 912 plus a postgraduate year.
  • NMH offers a challenging, innovative college-preparatory curriculum with extensive choices that include study-abroad programs, a social entrepreneurship course, independent study, and community-service work. Supported and guided by expert faculty and staff, students are encouraged to pursue their passions, discover new ones, and make their own unique contributions to the NMH community.
  • Our faculty devote an extraordinary amount of time and energy to fostering students` accomplishment and success, both in and out of the classroom. The result is students who think critically, act with humanity, and discover within themselves a sense of purpose.
  • Our distinctive College-Model Academic Program (CMAP) is centered around 80-minute class periods that are longer than those in a typical high school class. So students explore each subject in greater depth and spend more time with their teachers. Students take three major courses each semester - six per year, which is one more than at schools with traditional schedules. Our average class size is 11 students. Each faculty member teaches on average only two courses a semester, allowing them to spend focused time with a small group of students. 
  • We focus on the whole student, meeting individual needs while integrating students into a diverse, busy community. Our "Partnership of 12" initiative is a network of adults (at least a dozen every semester) who support each student every day. The network includes teachers, coaches, dorm staff, and work supervisors.
  • NMH has made serious commitments to multiculturalism throughout its long history. Currently, students of color make up 21 percent of the student body, and international students come from 57 countries. The school focuses extensively on racial, ethnic, socioeconomic, religious, and gender diversity in extracurricular workshops and events throughout the year. 
  • Our sustainability program empowers students to explore and protect the environment and become active citizens of a changing planet.In short, NMH helps students develop into people who are down to earth, yet performing up to their potential.
  • Our students are academically challenged, socially engaged, and constantly surprised by both themselves and the world.

School Reviews

NMH taught me to think, write, challenge myself, and care about and want to contribute to bettering the world. Top notch education that will last a lifetime.
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Quick Stats (2021)

  • Top Ranked MA School
  • Grades: 9-12
  • Students: 650 students
  • Yearly Tuition: $63,500
  • Acceptance rate: 32%
  • Average class size: 11 students
  • Application Deadline: None / Rolling

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Did You Know?

The average private school tuition in Massachusetts is $18,628 for elementary schools and $32,402 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Massachusetts is 71% (read more about average acceptance rates across the country).

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