Type
Boarding and Day
School
Berkshire School
Siviq Rank#56Boarding and Day
Boarding and Day17 AP Courses
Enrollment
425
Student-Teacher Ratio
4:1
Admit Rate
-
Reach
Global
Narrative
Profile Notes
Summary
Berkshire School is an independent, coeducational boarding and day school in Sheffield, Massachusetts, founded in 1907 and enrolling 425 students in grades 9-12 plus the postgraduate year for 2025-2026. The profile reports 29 states and 34 countries represented, 17% international students, 35% students of color, 25% receiving financial aid, and 17 AP-designated offerings listed.
Advanced Coursework
Advanced Math/Science Research, Advanced Environmental Science Research, and Advanced Humanities Research are unique offerings that go beyond the traditional AP curriculum; the profile also lists additional advanced level courses offered.
Siviq Layer
Siviq Scores
Siviq Scores
Precomputed percentiles relative to similar schools. These scores are descriptive rather than judgmental.
Academic Program
15th percentile
Higher reported academic program than 15% of similar schools.
Combines advanced-course offerings, testing, and reported honors or IB signals.
Average Class Size
7th percentile
Lower reported average class size than 7% of similar schools.
Smaller reported average classes score higher within each peer cohort.
Institutional Resources
93rd percentile
Higher reported institutional resources than 93% of similar schools.
Uses linked nonprofit financial capacity when a reviewed EIN match is available.
Outcomes
30th percentile
Higher reported outcomes than 30% of similar schools.
Based on reported college destinations in the current school profile.
Reach & Access
66th percentile
Higher reported reach & access than 66% of similar schools.
Combines geographic reach and reported access signals from the current school data.
Student Experience
100th percentile
Lower reported student experience than 100% of similar schools.
Lower student-teacher ratios score higher within each peer cohort.
Standardized Data
Profile
Profile
Overview
- Grades Served
- 9-12
Profile
Admissions
- Applicants
- 1,400
Profile
Academics
- AP Courses
- 17
Profile
Student Body
- States Represented
- 29
- Countries Represented
- 34
- Students of Color
- 35%
- International Students
- 17%
- Receiving Financial Aid
- 25%
Profile
Policies
- Class Rank Policy
- Berkshire does not numerically rank students.
- Weighted Grades
- No
- Weighted Grades Policy
- Advanced and AP courses are not weighted. Only courses completed at Berkshire are included when calculating GPA. GPA is determined at the end of each year; it is not cumulative.
Linked Nonprofit Data
Nonprofit Financials
Net Assets
$332,169,091
Tax year 2024
Net Income
$11,097,518
Latest revenue minus expenses from the school's nonprofit filing.
Total Expenses
$49,847,612
Tax year 2024
Expenses Per Student
$117,288
Calculated from total expenses divided by the current school-profile enrollment.
Location Context
Nearest
Institutional Details
People & Credentials
Institutional
Leadership
Head of School
Pieter Mulder
Director of College Counseling
Andrea Bowler
Institutional
Contacts
Director of College Counseling
Andrea Bowler
Associate Director
Kelley Bogardus
Associate Director
Daniel Driscoll
Associate Director
Paul MacKenzie
Administrative Assistant
Anne Stosiek
Institutional
Accreditations
Accredited
New England Association of Schools and Colleges (NEASC)
Institutional
School Codes
CEEB Code
221900
External References
Links
College Outcomes
Top Colleges
Search & Answers
Berkshire School Frequently Asked Questions
What is the student-teacher ratio at Berkshire School?
The current school profile does not publish a normalized student-teacher ratio for Berkshire School.
How many students are enrolled at Berkshire School?
The current school profile reports about 425 students enrolled at Berkshire School.
What grades does Berkshire School offer?
Berkshire School currently reports serving grades 9-12, PG.
Is Berkshire School a day school or a boarding school?
Berkshire School is a private school.
Does Berkshire School offer advanced placement (AP) courses?
Yes. The current school profile reports 17 AP courses at Berkshire School.
How many students receive financial aid at Berkshire School?
The current school profile says about 25.0% of students at Berkshire School receive financial aid.
Which colleges show up most often for Berkshire School?
The current school profile highlights Alabama State University as one of the top reported college destinations for Berkshire School.
What stands out about Berkshire’s advanced curriculum beyond AP classes?
Berkshire lists several distinctive advanced options that go past the traditional AP track, including Advanced Math/Science Research, Advanced Environmental Science Research, and Advanced Humanities Research.
What’s the typical course load at Berkshire, and what do students need to graduate?
Students usually take five courses per trimester. To graduate, they need 18 academic credits, including English (4), math (3), languages (3), history (2), science (2), and arts (1).
Does Berkshire rank students or weight advanced classes?
No. Berkshire does not numerically rank students, and advanced and AP courses are not weighted. The school also says GPA is calculated at the end of each year rather than cumulatively.
Which colleges show up often in Berkshire’s recent matriculation list?
On the Class of 2025 list, some of the more frequent destinations include Bucknell (7), Southern Methodist University (6), Hobart and William Smith (5), University of Virginia (5), Wesleyan (4), Tulane (4), and Colorado Boulder (4). The list also includes schools like Princeton, Yale, Duke, Dartmouth, and Williams.
By Geography
Nearby Schools
By Similarity
Similar Schools
Provenance
Sources
| Source | Type | Checked | Metrics |
|---|---|---|---|
| 2025-2026 School Profile (PDF) Used for normalized profile metrics, school facts, FAQ answers, and school SEO metadata. | School Profile PDF | Apr 01, 2026 | AP Courses • Academic Rigor Category • Access Category • Accreditations • Advanced Course Notes • Applicants • More normalized profile fields |
| About Us - Berkshire School www.berkshireschool.org/about-us | Official Website Page | May 11, 2026 | Average Class Size • Enrollment • Grades Served |
| Mission & History - Berkshire School www.berkshireschool.org/about-us/mission-history | Official Website Page | Apr 05, 2026 | Enrollment • Founded Year |
| Our Campus - Berkshire School www.berkshireschool.org/about-us/our-campus | Official Website Page | Apr 05, 2026 | Founded Year |
| Home - Berkshire School www.berkshireschool.org | Official Website Page | Apr 05, 2026 | AP Courses • Average Class Size • Countries Represented • Founded Year • States Represented • Student-Teacher Ratio |
Sources & Data QualityMirrored artifacts, website inventory, and normalization review notes for this school profile.
Source Links
Known Website Addresses
All Canonical Metrics
| Metric | Value | Evidence |
|---|---|---|
| Grades Served | 9-12 | grades 9-12 and post-graduates |
| Lowest Grade | 9 | 9-12, PG |
| Highest Grade | 12 | 9-12, PG |
| Postgraduate Offered | Yes | 9-12, PG |
| Boarding Status | Boarding and Day | Berkshire School, founded in 1907, is an independent, coeducational, boarding and day school located in western Massachusetts... |
| Boarding Status Code | boarding_and_day | Boarding and Day |
| School Type | Private | Berkshire School, founded in 1907, is an independent, coeducational, boarding and day school located in western Massachusetts... |
| School Type Code | private | Private |
| Enrollment | 425 | Berkshire School, founded in 1907, is an independent, coeducational, boarding and day school located in western Massachusetts enrolling 425 students in grades 9-12 and the postgraduate year. |
| Residential Enrollment | - | - |
| Day Enrollment | - | - |
| Student-Teacher Ratio | 4 | At-A-Glance Berkshire by the numbers: 425 Students; 4:1 Student/ Faculty Ratio; 12 Average Class Size; 400 Acre Campus; 124 Courses Offered; 17 AP Courses; 30 States Represented; 34 Countries Represented |
| Founded Year | 1907 | founded in 1907 |
| School Leadership | - | Pieter Mulder Head of School |
| Key Contacts | - | Andrea Bowler Director of College Counseling [email protected] 413-229-1252 |
| Accreditations | - | Berkshire School is accredited by the New England Association of Schools and Colleges (NEASC). |
| School Codes | - | CEEB Code: 221900 |
| AP Courses | 17 | ADVANCED PLACEMENT® COURSES OFFERED: Biology; Computer Science Principles; French Language; Statistics; Calculus AB; English Language; Microeconomics; 2-D, 3-D Art & Design; Calculus BC; English Literature; Physics C: Mechanics; U.S. Government & Politics; Chemistry; Environmental Science; Spanish Language; U.S. History. |
| Average Class Size | 124 | Average Class Size 124 |
| IB Program | - | - |
| Honors Program | - | - |
| Advanced Course Notes | Advanced Math/Science Research, Advanced Environmental Science Research, and Advanced Humanities Research are unique offerings that go beyond the traditional AP curriculum; the profile also lists additional advanced level courses offered. | Advanced Math/Science Research, Advanced Environmental Science Research, and Advanced Humanities Research are unique offerings at Berkshire School that go beyond the traditional AP® curriculum. |
| Faculty Count | - | - |
| College Counseling Summary | - | - |
| Testing Policy | - | - |
| Testing Policy Code | - | - |
| Average SAT | - | - |
| Average ACT | - | - |
| Matriculation Summary | - | - |
| Top Colleges | - | Alabama State University (2); American University; Boston College (3); Bucknell University (7); Carnegie Mellon University (2); Chapman University; Clark University; Clarkson University; Colgate University (2); College of Charleston; College of the Holy Cross (2); Colorado College; Connecticut College (2); Dartmouth College (2); Dickinson College (2); Duke University; Endicott College (2); Florida International University; Fordham University; Framingham State University; Franklin and Marshall College; Georgetown University; Gettysburg College; Hamilton College; Hobart and William Smith Colleges (5); Howard University; Indiana University-Bloomington; John Carroll University; Johnson & Wales University-Providence; Lehigh University (2); Loyola Marymount University*; Middlebury College; Montana State University; New York University (2); Northeastern University (3); Northwestern University*; Occidental College (2); Pitzer College; Princeton University; Providence College (2); Sewanee: The University of the South; Skidmore College; Southern Methodist University (6); St. Francis Xavier University; SUNY Cortland; The American University of Paris; UT Austin (Gateway Program); Trinity College; Tufts University (2); Tulane University of Louisiana (4); Union College (NY); University of California Berkeley (2); University of Chicago; University of Colorado Boulder (4); University of Maryland-College Park; University of Miami (3); University of Michigan (2); University of North Carolina at Chapel Hill; University of Richmond (3); University of Toronto; University of Vermont (2); University of Virginia (5); Vanderbilt University; Wake Forest University (2); Wartburg College; Wentworth Institute of Technology; Wesleyan University (4); Williams College; Yale University |
| States Represented | 29 | Berkshire serves a diverse student body representing 29 states and 34 countries... |
| Countries Represented | 34 | Berkshire serves a diverse student body representing 29 states and 34 countries... |
| Students of Color | 35 | Berkshire serves a diverse student body representing 29 states and 34 countries, including 17% international students and 35% students of color. |
| International Students | 17 | Berkshire serves a diverse student body representing 29 states and 34 countries, including 17% international students and 35% students of color. |
| Receiving Financial Aid | 25 | 25% of the student body receives financial aid. |
| Tuition-Free Share | - | - |
| Applicants | 1400 | Admission to Berkshire is highly selective; for the 2025-2026 academic year over 1400 students applied for 130 available openings. |
| Admitted | - | - |
| Matriculated | - | - |
| Admit Rate | - | - |
| Yield Rate | - | - |
| Class Rank Policy | Berkshire does not numerically rank students. | GPA AND CLASS RANK - GPA is determined at the end of each year; it is not cumulative. Advanced and AP courses are not weighted. Only courses completed at Berkshire are included when calculating GPA. Berkshire does not numerically rank students. |
| Class Rank Policy Code | - | Berkshire does not numerically rank students. |
| Weighted Grades | No | GPA AND CLASS RANK - GPA is determined at the end of each year; it is not cumulative. Advanced and AP courses are not weighted. |
| Weighted Grades Policy | Advanced and AP courses are not weighted. Only courses completed at Berkshire are included when calculating GPA. GPA is determined at the end of each year; it is not cumulative. | GPA AND CLASS RANK - GPA is determined at the end of each year; it is not cumulative. Advanced and AP courses are not weighted. Only courses completed at Berkshire are included when calculating GPA. |
| Disciplinary Reporting | - | - |
| Boarding Model | boarding_and_day | boarding_and_day |
| Selectivity Category | highly_selective | highly_selective |
| Academic Rigor Category | high | high |
| Testing Policy Category | not_reported | not_reported |
| College Counseling Category | extensive | extensive |
| Student Body Reach Category | global | global |
| Access Category | meaningful_access | meaningful_access |
| Outcome Category | strong_outcomes | strong_outcomes |
| Signals | - | Boarding and day school.; Admission described as highly selective; over 1,400 applicants for 130 available openings.; 17 AP courses listed.; Advanced Math/Science Research, Advanced Environmental Science Research, and Advanced Humanities Research go beyond the traditional AP curriculum.; Berkshire reports 29 states and 34 countries represented, with 17% international students.; 25% of the student body receives financial aid.; College counseling office includes a director, three associate directors, and an administrative assistant.; School is a member of NACAC and ACCIS and states it abides by NACAC ethical practice guidelines.; Matriculation list includes highly selective destinations such as Princeton, Yale, Dartmouth, Duke, University of Chicago, Williams, Vanderbilt, and UC Berkeley.; Testing policy is not reported in the supplied evidence. |