Type
Boarding and Day
School
Noble and Greenough School
Siviq Rank#1Dedham, MA • Boarding and Day
Boarding and Day12 AP Courses
Enrollment
635
Student-Teacher Ratio
6:1
Admit Rate
16%
Reach
Local / Regional
Narrative
Profile Notes
Summary
Noble and Greenough School is a Boston-area day and 5-day boarding school in Dedham, Massachusetts, serving grades 7–12. The 2025–2026 school profile reports 635 students, a 6:1 student-faculty ratio, 12-student average classes, 51% self-identified students of color, 33% receiving financial assistance, and 12 AP-designated course offerings. Nobles does not weight or publish GPAs or rank students.
College Counseling
The College Office includes a Director, four Associate Directors, and a Program Coordinator and Assistant Registrar.
Advanced Coursework
Most AP classes require prerequisite coursework and are not available until junior or senior year; for most students, the maximum number of AP courses taken at Nobles is five. Nobles offers Accelerated, Honors, Advanced Topics, and AP courses; English has no designated honors or APs.
Matriculation Notes
Matriculation list reported for 2021–2025.
Siviq Layer
Siviq Scores
Siviq Scores
Precomputed percentiles relative to similar schools. These scores are descriptive rather than judgmental.
Academic Program
41st percentile
Higher reported academic program than 41% of similar schools.
Combines advanced-course offerings, testing, and reported honors or IB signals.
Average Class Size
90th percentile
Lower reported average class size than 90% of similar schools.
Smaller reported average classes score higher within each peer cohort.
Institutional Resources
78th percentile
Higher reported institutional resources than 78% of similar schools.
Uses linked nonprofit financial capacity when a reviewed EIN match is available.
Outcomes
96th percentile
Higher reported outcomes than 96% of similar schools.
Based on reported college destinations in the current school profile.
Reach & Access
97th percentile
Higher reported reach & access than 97% of similar schools.
Combines geographic reach and reported access signals from the current school data.
Student Experience
60th percentile
Lower reported student experience than 60% of similar schools.
Lower student-teacher ratios score higher within each peer cohort.
Standardized Data
Profile
Profile
Overview
- Grades Served
- 7-12
- Residential Enrollment
- 50
Profile
Admissions
- Admit Rate
- 16%
Profile
Academics
- AP Courses
- 12
- Honors Program
- Yes
Profile
Student Body
- Students of Color
- 51%
- Receiving Financial Aid
- 33%
Profile
Policies
- Class Rank Policy
- Nobles does not weight or publish GPAs or rank students.
- Weighted Grades
- No
- Weighted Grades Policy
- Due to our rigorous curriculum and selective admissions, Nobles does not weight or publish GPAs.
- Disciplinary Reporting
- We counsel students to disclose on all applications in which a student is specifically asked to do so. Noble and Greenough School reserves the right to disclose when the school determines that a student’s actions have put their place at the school in jeopardy.
Linked Nonprofit Data
Nonprofit Financials
Net Assets
$324,877,205
Tax year 2023
Net Income
$5,244,832
Latest revenue minus expenses from the school's nonprofit filing.
Total Expenses
$60,185,627
Tax year 2023
Expenses Per Student
$94,781
Calculated from total expenses divided by the current school-profile enrollment.
Location Context
Nearest
Institutional Details
People & Credentials
Institutional
Leadership
Head of School
Catherine J. Hall, Ph.D.
Head of Upper School
Alison Easterling
Institutional
Contacts
Director
Kate Boyle Ramsdell
Associate Director
Meghan Hamilton
Associate Director
Peter Boskey
Associate Director
Nora Dowley-Liebowitz
Associate Director
Chris Pratt
Program Coordinator and Assistant Registrar
Kimya Charles
Institutional
School Codes
CEEB Code
220-680
External References
Links
College Outcomes
Top Colleges
Search & Answers
Noble and Greenough School Frequently Asked Questions
What is the student-teacher ratio at Noble and Greenough School?
The current school profile reports a student-teacher ratio of 6:1 at Noble and Greenough School.
How many students are enrolled at Noble and Greenough School?
The current school profile reports about 635 students enrolled at Noble and Greenough School.
What grades does Noble and Greenough School offer?
Noble and Greenough School currently reports serving grades 7-12.
Where is Noble and Greenough School located?
Noble and Greenough School is located in Dedham, MA.
Is Noble and Greenough School a day school or a boarding school?
Noble and Greenough School is a private school.
Does Noble and Greenough School offer advanced placement (AP) courses?
Yes. The current school profile reports 12 AP courses at Noble and Greenough School.
How many students receive financial aid at Noble and Greenough School?
The current school profile says about 33.0% of students at Noble and Greenough School receive financial aid.
Which colleges show up most often for Noble and Greenough School?
The current school profile highlights Amherst College as one of the top reported college destinations for Noble and Greenough School.
Does Nobles rank students or report weighted GPAs?
No. Nobles says it does not weight or publish GPAs, and it does not rank students.
What does Nobles require for graduation?
Students need 8 semesters of English, 6 semesters of math through junior year, Level III in a language, 4 semesters of science, 6 semesters of history/social science, 1 credit each in visual and performing arts, and 80 service-learning hours.
How does financial aid work at Nobles?
Nobles says 33% of students receive financial assistance. Its 2025–26 financial aid budget is $8.3M, and the school says it meets 100% of demonstrated need and provides non-tuition support.
What kinds of schools do Nobles students come from?
The school reports that 46% of students came from private schools, 42% from public schools, and 12% from charter or parochial schools. It also says the student body represents 93 communities.
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 • Admit Rate • Advanced Course Notes • Average Class Size • More normalized profile fields |
| 2025–2026 College Profile .cls-01{fill:#9d6b06}.cls-2{fill:#fff} www.nobles.edu/wp-content/uploads/2025/09/Noble-and-Greenough-School-College-Profile-2025-2026.pdf | Official Linked File | May 11, 2026 | Admit Rate |
| At a Glance - Noble & Greenough School www.nobles.edu/about | Official Website Page | May 11, 2026 | Average Class Size • Faculty Count |
| College Counseling - Noble & Greenough School www.nobles.edu/school/college-counseling | Official Profile Page | Apr 05, 2026 | Grades Served |
| History - Noble & Greenough School www.nobles.edu/about/history | Official Website Page | Apr 05, 2026 | Founded Year |
| Noble and Greenough School - A 5-Day Boarding School www.nobles.edu | Official Website Page | Apr 05, 2026 | Faculty Count • Grades Served • Residential Enrollment |
Sources & Data QualityMirrored artifacts, website inventory, and normalization review notes for this school profile.
Source Links
Known Website Addresses
| Role | URL | Method |
|---|---|---|
| official_website | www.nobles.edu/about/at-a-glance | supplemental_backfill |
| official_website | www.nobles.edu/about/facts | supplemental_backfill |
| official_website | www.nobles.edu/about/fast-facts | supplemental_backfill |
| official_website | www.nobles.edu/about/quick-facts | supplemental_backfill |
| official_website | www.nobles.edu/academics | supplemental_backfill |
| official_website | www.nobles.edu/academics/college-counseling | supplemental_backfill |
| Why Nobles Is For You - Noble & Greenough School | www.nobles.edu/admission | supplemental_backfill |
| official_website | www.nobles.edu/admissions | supplemental_backfill |
| Student Life - Noble & Greenough School | www.nobles.edu/student-life | supplemental_backfill |
| official_website | www.nobles.edu/tuition-and-financial-aid | supplemental_backfill |
| College Counseling - Noble & Greenough School | www.nobles.edu/school/college-counseling | site_scan |
| 2025-2026 school profile PDF | www.nobles.edu/wp-content/uploads/2025/09/Noble-and-Greenough-School-College-Profile-2025-2026.pdf | page_scan |
| At a Glance - Noble & Greenough School | www.nobles.edu/about | supplemental_backfill |
| Campus Map and Directions - Noble & Greenough School | www.nobles.edu/about/campus | supplemental_backfill |
| Diversity, Equity, and Inclusion - Noble & Greenough School | www.nobles.edu/about/commitment-to-diversity-equity-and-inclusion | supplemental_backfill |
| Graduates - Noble & Greenough School | www.nobles.edu/community/graduates | supplemental_backfill |
| View Campus Map | www.nobles.edu/wp-content/uploads/2025/08/2025-Campus-Map-with-Housing-8-21-1.pdf | supplemental_backfill |
| 2025–2026 College Profile .cls-01{fill:#9d6b06}.cls-2{fill:#fff} | www.nobles.edu/wp-content/uploads/2025/09/Noble-and-Greenough-School-College-Profile-2025-2026.pdf | supplemental_backfill |
| Noble and Greenough School - A 5-Day Boarding School | www.nobles.edu | search |
| History - Noble & Greenough School | www.nobles.edu/about/history | supplemental_backfill |
| Welcome - Noble & Greenough School | www.nobles.edu/about/welcome | supplemental_backfill |
All Canonical Metrics
| Metric | Value | Evidence |
|---|---|---|
| Grades Served | 7-12 | Grades 7-12","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://www |
| Lowest Grade | 7 | 7-12 |
| Highest Grade | 12 | 7-12 |
| Postgraduate Offered | - | 7-12 |
| Boarding Status | Boarding and Day | About: A Boston-area day and 5-day boarding school for grades 7–12 |
| Boarding Status Code | boarding_and_day | Boarding and Day |
| School Type | - | - |
| School Type Code | - | - |
| Enrollment | 635 | Total Enrollment: 635 students |
| Residential Enrollment | 50 | 50 Boarding Students |
| Day Enrollment | - | - |
| Student-Teacher Ratio | 6 | Student-Faculty Ratio: 6:1 |
| Founded Year | 2009 | founded in 2009 |
| School Leadership | - | LEADERSHIP: Catherine J. Hall, Ph.D., Head of School |
| Key Contacts | - | THE COLLEGE OFFICE: Kate Boyle Ramsdell, Director, [email protected], 781-320-7253 |
| Accreditations | - | - |
| School Codes | - | CEEB Code: 220–680 |
| AP Courses | 12 | AP Courses listed: AP AB Calculus; AP BC Calculus; AP Statistics; AP Latin V; AP Biology; AP Chemistry; AP Environmental Science; AP Physics; AP Computer Programming; AP Computer Science Principles; AP Music Theory; AP Studio Art. |
| Average Class Size | 6 | Average class size with a 6 |
| IB Program | - | - |
| Honors Program | Yes | ACCELERATED, HONORS, AND AP COURSES ... courses not labeled as “Accelerated,” “Honors,” “Advanced Topics,” or “AP” are marked as “N/A” ... |
| Advanced Course Notes | Most AP classes require prerequisite coursework and are not available until junior or senior year; for most students, the maximum number of AP courses taken at Nobles is five. Nobles offers Accelerated, Honors, Advanced Topics, and AP courses; English has no designated honors or APs. | For most, the maximum number of AP courses a student will take at Nobles is five ... Most AP classes require prerequisite coursework and are not available to students until their junior and senior years. ... English: No designated honors or APs. |
| Faculty Count | 134 | 134 Faculty members |
| College Counseling Summary | The College Office includes a Director, four Associate Directors, and a Program Coordinator and Assistant Registrar. | THE COLLEGE OFFICE: Kate Boyle Ramsdell, Director; Meghan Hamilton, Associate Director; Peter Boskey, Associate Director; Nora Dowley-Liebowitz, Associate Director; Chris Pratt, Associate Director; Kimya Charles, Program Coordinator and Assistant Registrar. |
| Testing Policy | - | - |
| Testing Policy Code | - | - |
| Average SAT | - | - |
| Average ACT | - | - |
| Matriculation Summary | Matriculation list reported for 2021–2025. | MATRICULATION LIST 2021–2025 |
| Top Colleges | - | Amherst College 12; Babson College 7; Barnard College 4; Bates College 7; Bentley University 5; Boston College 29; Boston University 6; Bowdoin College 14; Brandeis University 2; Brown University 20; Carnegie Mellon University 2; Claremont McKenna College 2; Colby College 8; Colgate University 10; College of the Holy Cross 4; Colorado College 3; Columbia University 9; Connecticut College 4; Cornell University 11; Dartmouth College 21; Davidson College 3; Deerfield Academy (PG) 5; Duke University 16; Emory University 8; The George Washington University 2; Georgetown University 24; Hamilton College 9; Harvard University 40; Johns Hopkins University 4; Lehigh University 2; Loyola Marymount University 3; Massachusetts Institute of Technology 6; Middlebury College 20; New York University 9; Northeastern University 23; Northwestern University 10; Occidental College 3; Phillips Academy Andover (PG) 2; Princeton University 18; Providence College 7; Skidmore College 5; Stanford University 6; Stonehill College 2; Syracuse University 5; Trinity College 13; Tufts University 22; Tulane University 2; Union College 6; United States Naval Academy 4; University of Chicago 23; University of Connecticut 2; University of Massachusetts Amherst 9; University of Michigan Ann Arbor 12; University of Notre Dame 3; University of Oxford 2; University of Pennsylvania 6; University of Puget Sound 2; University of Richmond 6; University of Southern California 5; University of Virginia 19; University of Wisconsin-Madison 2; Vanderbilt University 5; Villanova University 7; Wake Forest University 15; Washington University in St. Louis 11; Wellesley College 2; Wesleyan University 4; William and Mary 5; Williams College 23; Yale University 23 |
| States Represented | - | - |
| Countries Represented | - | - |
| Students of Color | 51 | Self-identified Students of Color: 51% |
| International Students | - | - |
| Receiving Financial Aid | 33 | Financial Aid: 33% of the student body receives financial assistance; the 2025–26 financial aid budget is $8.3M |
| Tuition-Free Share | - | - |
| Applicants | - | - |
| Admitted | - | - |
| Matriculated | - | - |
| Admit Rate | 16 | Percentage of Applicants Admitted: 16% |
| Yield Rate | - | - |
| Class Rank Policy | Nobles does not weight or publish GPAs or rank students. | Class Rank and GPA: Due to our rigorous curriculum and selective admissions, Nobles does not weight or publish GPAs or rank students. |
| Class Rank Policy Code | - | Nobles does not weight or publish GPAs or rank students. |
| Weighted Grades | No | Class Rank and GPA: Due to our rigorous curriculum and selective admissions, Nobles does not weight or publish GPAs or rank students. |
| Weighted Grades Policy | Due to our rigorous curriculum and selective admissions, Nobles does not weight or publish GPAs. | Class Rank and GPA: Due to our rigorous curriculum and selective admissions, Nobles does not weight or publish GPAs or rank students. |
| Disciplinary Reporting | We counsel students to disclose on all applications in which a student is specifically asked to do so. Noble and Greenough School reserves the right to disclose when the school determines that a student’s actions have put their place at the school in jeopardy. | POLICY ON DISCLOSURE: We counsel students to disclose on all applications in which a student is specifically asked to do so. Noble and Greenough School reserves the right to disclose when the school determines that a student’s actions have put their place at the school in jeopardy. |
| 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 | regional | regional |
| Access Category | high_access | high_access |
| Outcome Category | exceptional_outcomes | exceptional_outcomes |
| Signals | - | Day and 5-day boarding school.; Reported admit rate: 16%.; SAT middle 50% 1320-1540 with 1470 median; ACT middle 50% 28-35 with 32 median.; Curriculum includes Accelerated, Honors, Advanced Topics, and 12 AP courses; most APs require prerequisites and are mainly for juniors/seniors; most students take at most five APs.; AP results reported: 80% of scores were 4+ and 94% were 3+ across 834 exams.; College office includes a director, four associate directors, and a program coordinator/assistant registrar.; 93 communities represented; no states or countries represented count reported.; 33% of students receive financial aid; school reports meeting 100% of demonstrated need and providing non-tuition support.; Five-year matriculation list shows repeated placements at highly selective colleges, including Harvard, Yale, Princeton, Stanford, MIT, Brown, Dartmouth, Duke, Columbia, Chicago, Williams, and others. |