404 Robin Hill Street
Marlborough, MA 01752
Hillside's mission to maximize each student's potential is achieved through our small class size, 7:1 student-teacher ratio, and our academic support programs tailored to meet each boy's needs. Our extracurricular programs develop and challenge each student to perform at his highest level through practice, competition, and outstanding teacher support. Spiritually, the school's focus on others, empathy, brotherhood, and leadership help develop the soul and spirit of each student.Hillside is an all boys junior boarding and day school only 25 miles west of Boston serving 4th through 9th grade students
We provide a structured, supportive, and challenging academic environment and our innovative teaching for the 21st-century skills prepares our boys for secondary school and beyond.
The academic program is supplemented with the renowned Wicks Tutorial Center with five certified learning specialists providing small group tutorials offered in language arts, math, executive function, and social skills, for those students needing extra support.
Boarding and day students enjoy a rich curriculum that includes a broad after school program including competitive athletics, the Innovation Lab, and the Hillside Farm.
Our unique academic and leadership program, Shades of Blue, builds character while holding our students accountable to our core values.
Community inclusiveness is our hallmark; we welcome you to come to see for yourself. Please visit us online for more information, and to schedule a visit today.

Quick Stats (2022)

  • Grades: (Boarding) 4-9
  • Students: 165 students
  • Yearly Tuition (Boarding Students): $61,200
  • Yearly Tuition (Day Students): $35,400
  • Acceptance rate: 70%
  • Average class size: 12 students
  • Application Deadline: None / Rolling

Top Rankings

Hillside School ranks among the top 10 schools with < 200 students (out of 95 schools) for:

Student Test Scores

School Overview

Definition of Terms | 2021 School Data
Hillside School
Grades Offered
School Type
ADD/ADHD Support
Religious Affiliation
Year Founded
Campus Size
150 acres

Student Body

165 students
% Students of Color
% International Students
% Students Boarding

Academics and Faculty

Saturday Classes
Classroom Dress Code
(shirt, tie and khaki pants)
Average Class Size
12 students
Student : Teacher Ratio
ESL Courses Offered
% Faculty with Advanced Degree
Summer Program Offered
Summer Program Details

Tuition Cost

Endowment Size
$5 million
Yearly Tuition
(Boarding Students)
Yearly Tuition
(Day Students)
Tuition international students
Yearly Tuition
(5 Day Boarding)
% Students on Financial Aid
Merit Scholarships Offered

Acceptance Rate

Application Deadline
None / Rolling
SSAT Required
Acceptance Rate
Director of Admissions
Sean Hayes



Total Extracurricular Organizations
Club or Organization:
Cooking Club, Eco Team, Instrumental Study, Ping-Pong, Proctor, Robotics Team, Ultimate Frisbee, Yearbook

Arts and Music Programs:
Drama Club

Recreational Athletic Programs:
Band, Dining Hall Prefects, Farm Program, History of American Music, Innovation Lab, Rock Climbing, Sailing/Crew

College Matriculation

10 Most Popular College Choices  (# Enrolled)

School Notes

  • Hillside seeks students who are looking for a structured, supportive, and challenging academic environment. Hillside also offers excellent support programs for students with mild learning disabilities or ADHD.
  • Outstanding Secondary School placement at some of the nation's most selective schools, including Phillips Andover, Milton Academy, St. Marks, Groton, and Middlesex
  • Hillside is situated on 150 acres in Marlborough, Massachusetts. Marlborough is located just 30 miles West of Boston.
  • The Farm at Hillside is utilized by students on a daily basis. Students participate in Farm Immersion twice a year and have the opportunity to work at the Farm every afternoon for their activity.
  • Tutorials are available for students who need supplementation and a foundation of skills in Language Arts, Math, Executive Function, Social Skills and Foundations of Language.
  • Hillside offers English as a Second Language for international students and Advanced Transition English for advanced English Language Learners.
  • LD types supported: Language-based and Mild Learning Differences, and Executive Function
  • Hillside School accreditations: The Association of Independent Schools in New England (AISNE) and The Association of Boarding Schools (TABS)
Profile last updated: 09/20/2021
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Quick Stats (2022)

  • Grades: (Boarding) 4-9
  • Students: 165 students
  • Yearly Tuition (Boarding Students): $61,200
  • Yearly Tuition (Day Students): $35,400
  • Acceptance rate: 70%
  • Average class size: 12 students
  • Application Deadline: None / Rolling

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