The Pierrepont School: How a Connecticut Micro-School Ranked #2 on the NYC Private School ECPI
By Data Team | Published September 2, 2026
Our recent audit of The Pierrepont School's cumulative matriculation data (2010-2025) reveals a 45% Ivy+ yield and a 53% placement rate into Top 25 National Universities. These outcomes place the Connecticut institution ahead of the majority of Manhattan private day schools on the New York City Elite College Placement Index (ECPI).
For families evaluating tri-state educational options, these metrics demonstrate that Pierrepont’s non-traditional academic structure—which replaces APs and GPAs with college-level seminars—yields placement rates comparable to the highest-performing regional competitors. This bespoke environment (just 122 students K-12) relies on qualitative differentiation to secure concentrated yields to Stanford, UChicago, Columbia, and Yale.
Summary of Key Findings
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The Ivy+ Concentration (45%): Pierrepont operates a highly focused Ivy+ pipeline. We verified 44 Ivy+ enrollments out of exactly 105 tracked graduates over the sample window, anchored by top destinations Stanford (7) and UChicago (7).
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Top 25 National Reach (53%): By incorporating national hubs like UCLA, Georgetown, and Rice, the school directs more than half of its graduating alumni pool into Top 25 tier institutions, demonstrating broad geographic reach.
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NYC ECPI Benchmarking (126.94): Pierrepont secures the #2 overall rank on our New York City Elite College Placement Index, trailing only The Brearley School (133.34) and statistically outpacing historic institutions like Trinity School (124.14) and The Spence School (125.64).
Regional Context
Evaluating The Pierrepont School requires contextualizing its location within Fairfield County, Connecticut. While it geographically resides outside the five boroughs of New York City, the school competes directly with top-tier Manhattan preparatory schools for university placements.
Data analysis indicates that families commuting from Westchester, Fairfield, and New Haven counties utilize Pierrepont's distinct pedagogical structure to differentiate applicants. By maintaining a highly selective, small-scale academic environment, the school fosters an academic profile that aligns with holistic admissions criteria at Ivy+ institutions.
- The Boutique Advantage: With a 3:1 student-to-faculty ratio and an average class size of six, Pierrepont ensures that faculty recommendations are deeply personal, highly detailed, and capable of articulating a student's precise intellectual capacity.
- Non-Traditional Rigor: By replacing standard high school metrics (GPA, class rank, APs) with college-level coursework (e.g., Multivariable Calculus, Linear Algebra, Greek Literature), the school requires admissions officers to evaluate students qualitatively rather than screening them mechanically.
Methodology and Metrics
Applying the NYC Standard
Because our ECPI index does not currently feature a dedicated Connecticut quadrant, we benchmark Pierrepont against the New York City Private School market to provide families with a comparable evaluation tool. Our team conducted a rigorous audit of the school's officially published historical matriculation data (spanning 2010 through 2025). We verified an exact graduating sample size of 105 students across this period, explicitly hand-calculating verified matriculation (where a student ultimately deposits) in strict adherence to the Chicardgo School Methodology Framework.
| ECPI Component | Weight | Description |
|---|---|---|
| Ivy League+ Matriculation | 30% | Based on the percentage of graduates attending an Ivy League institution, plus Stanford, MIT, UChicago, and Duke. |
| Top 25 (T25) National University | 20% | Measures the proportion of a graduating class that enrolls in the top 25 national research universities (as ranked by U.S. News). |
| Top 15 (T15) Liberal Arts College | 20% | Tracks enrollment to the nation's top 15 liberal arts colleges. |
| NYS Top / Regional Benchmark | 10% | Evaluates localized percentage of graduates attending top-tier regional institutions (e.g., NYU, Vassar, Barnard, Skidmore). |
| College Readiness Score | 20% | A composite metric evaluating testing outcomes, curriculum breadth, and counseling resources. |
Campus Profile and Academic Environment
Founded in 1999 and relocated to its current Sylvan Road campus in 2002, The Pierrepont School operates as an independent, co-educational K-12 institution. It enrolls precisely 122 students, managed by 45 full- and part-time teachers. The school reports a diverse student body, with 49% of students self-identifying as students of color.
Geographic Footprint: Westport, CT
Table 1: Structural Baselines (2025-2026 Academic Year Data)
| Institutional Metric | The Pierrepont School |
|---|---|
| Total Enrollment | 122 Students (K-12 Day School) |
| Average Class Size | 6 Students |
| Standardized Testing | Mean SAT: 1425 | Mean ACT: 33 |
| Faculty Ratios | 3:1 Student to Faculty Ratio (59% hold advanced degrees) |
Academic Rigor
Pierrepont eschews AP curricula, requiring 100 graduation credits across History/Literature (28), Math/Science (28), Language (24), and Arts (20).
- College-Level Coursework: Specialists active in their respective fields develop the core curriculum, featuring advanced electives spanning AI Systems Development to Advanced Greek Literature.
- Departmentalization: The school fully departmentalizes students starting at age five, allowing them to learn directly from subject-matter specialists rather than generalists.
Campus Life & Engagement
The administration integrates arts directly into the academic day. All students take art, music, dance, and theater twice a week.
- Student-Driven Clubs: Extracurricular offerings range from AI Club and Genes in Space to Philosophy Club, catering to niche intellectual pursuits.
- Language Mastery: Following a four-year grammar and reading sequence starting in the early grades, students formally study Latin, Ancient Greek, and Mandarin Chinese.
Ivy League and Ivy+ Tier Matriculation
Our data team hand-calculated an exact historical graduating sample size of 105 students tracked across the 2010-2025 matriculation record. Within this timeframe, Pierrepont verified 47 enrollments directly into Ivy+ institutions, resulting in a 45% yield. The ECPI model factors these elite acceptances heavily, assigning Pierrepont an overall estimated 45% Ivy+ benchmark index. Expanding to the Top 25 National University tier, the school reaches a 53% placement rate.
Matriculation Density Metrics (2010-2025)
The Ivy+ Anchors
Pierrepont concentrates its placements into a tight cluster of the most selective universities in the country, securing 44 enrollments across these primary target institutions.
- Stanford Univ. 7 (6.7%)
- U. of Chicago 7 (6.7%)
- Columbia 6 (5.7%)
- Yale Univ. 6 (5.7%)
- Duke Univ. 4 (3.8%)
- Harvard 4 (3.8%)
- UPenn 3 (2.9%)
- Brown Univ. 2 (1.9%)
Top 25 National University Placements
Factoring the broader Top 25 national ecosystem, Pierrepont consistently clears the 50% threshold. Given the school's single-digit annual class size, placing multiple students into UCLA, Georgetown, and Rice indicates strong institutional recognition among Top 25 admissions offices.
The school also acts as a consistent pipeline for international pathways, successfully placing 4 students into the highly regarded University of St. Andrews.
Top 15 Liberal Arts College (LAC) Placements
A review of the 105 tracked outcomes identifies 14 firm enrollments into the nation's Top 15 Liberal Arts Colleges. Given Pierrepont's intensive seminar-style humanities and philosophy requirements, this 14% yield directly correlates with the school's ability to produce students well-suited for rigorous liberal arts environments.
National Liberal Arts Focus
Calculated volume across the cumulative 105 student sample.
Top targets lean toward the highly selective Seven Sisters and core NESCAC institutions.
- Amherst College 3 (2.9%)
- Smith College 3 (2.9%)
- Barnard College 2 (1.9%)
Additional verified placements across prominent national liberal arts colleges.
- Swarthmore College 2 (1.9%)
- Middlebury College 1 (1.0%)
- Hamilton College 1 (1.0%)
- Vassar College 1 (1.0%)
Matriculation Data Archive (2010-2025)
The table below identifies hand-calculated verified placements across all university destinations published in Pierrepont's official Profile. The data yields an exact cohort sample size of 105 students. For methodology details, please review the Chicardgo School Methodology Framework.
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Institution
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Total Volume | Cohort % | ECPI Category |
|---|---|---|---|
| Stanford University | 7 | 6.7% | Ivy+ |
| University of Chicago | 7 | 6.7% | Ivy+ |
| Columbia University | 6 | 5.7% | Ivy+ / NYS Top |
| Yale University | 6 | 5.7% | Ivy+ |
| New York University (NYU) | 5 | 4.8% | NYS Top |
| Duke University | 4 | 3.8% | Ivy+ |
| Harvard University | 4 | 3.8% | Ivy+ |
| U. of St. Andrews | 4 | 3.8% | International |
| Amherst College | 3 | 2.9% | T15 LAC |
| Boston University | 3 | 2.9% | Top Regional |
| Smith College | 3 | 2.9% | T15 LAC |
| UCLA | 3 | 2.9% | T25 National |
| University of Pennsylvania | 3 | 2.9% | Ivy+ |
| Bard College | 2 | 1.9% | NYS Top / LAC |
| Barnard College | 2 | 1.9% | T15 LAC / NYS |
| Brown University | 2 | 1.9% | Ivy+ |
| Dartmouth College | 2 | 1.9% | Ivy+ |
| Fordham University | 2 | 1.9% | NYS Top |
| Georgetown University | 2 | 1.9% | T25 National |
| Haverford College | 2 | 1.9% | Top Regional LAC |
| McGill University | 2 | 1.9% | International |
| MIT | 2 | 1.9% | Ivy+ |
| Rice University | 2 | 1.9% | T25 National |
| Sarah Lawrence College | 2 | 1.9% | NYS Top |
| Skidmore College | 2 | 1.9% | NYS Top |
| Swarthmore College | 2 | 1.9% | T15 LAC |
| UC Santa Barbara | 2 | 1.9% | Top Regional |
| American University | 1 | 1.0% | Top Regional |
| Carnegie Mellon University | 1 | 1.0% | T25 National |
| Connecticut College | 1 | 1.0% | Top Regional LAC |
| Emerson College | 1 | 1.0% | Top Regional |
| Hamilton College | 1 | 1.0% | T15 LAC |
| Hampshire College | 1 | 1.0% | Top Regional LAC |
| Middlebury College | 1 | 1.0% | T15 LAC |
| Northeastern University | 1 | 1.0% | Top Regional |
| Northwestern University | 1 | 1.0% | T25 National |
| Princeton University | 1 | 1.0% | Ivy+ |
| The Juilliard School | 1 | 1.0% | Specialty / Arts |
| Tulane University | 1 | 1.0% | Top Regional |
| UC Davis | 1 | 1.0% | Top Regional |
| UC Santa Cruz | 1 | 1.0% | Top Regional |
| UNC Chapel Hill | 1 | 1.0% | T25 National |
| University of Rochester | 1 | 1.0% | Top Regional |
| University of Vermont | 1 | 1.0% | Top Regional |
| University of Virginia | 1 | 1.0% | Top Regional |
| Vanderbilt University | 1 | 1.0% | T25 National |
| Vassar College | 1 | 1.0% | T15 LAC |
| Wesleyan University | 1 | 1.0% | T15 LAC |
Regional Competitors
By scoring a 126.94 ECPI, Pierrepont performs at the top of the tri-state competitive landscape. Because we utilize the New York City Elite College Placement Index to evaluate cross-commute peer institutions, this score indicates Pierrepont outpaces the majority of its Manhattan-based peers.
While its graduating class size remains remarkably small—constraining total raw volume output—the percentage density of its placements ensures that nearly one out of every two students enters a Top 25 or Ivy+ program. This structure maintains constant, high-level interaction between the Pierrepont advising office and university admissions directors.
The Brearley School
Operating out of Manhattan, Brearley is the only school in the region to exceed Pierrepont, posting a 133.34 ECPI. Brearley maintains a slightly higher Ivy+ matrix, while Pierrepont holds comparable T15 LAC metrics.
The Spence School
Spence scores a 125.64 ECPI. While Spence utilizes the traditional Manhattan elite framework, Pierrepont successfully competes by leveraging non-traditional pathways and qualitative, grade-free transcripts.
Trinity School
Trinity yields a 124.14 ECPI score. For families evaluating suburban Connecticut alternatives against city environments, Pierrepont’s #2 rank indicates that its geographic location does not restrict top-tier outcomes.
College Advising Structure and Resources
We assigned Pierrepont an internal College Readiness Score of 9.5. This score reflects the advanced academic qualifications of its faculty—who routinely hold post-graduate degrees from leading universities—and the highly personalized nature of its advising wing.
The Counseling Philosophy
Led by Director of College Counseling Lisa Manimala, the Pierrepont process explicitly rejects viewing admissions as a mere transactional end-goal. Instead, the framework roots itself in "Self-reflection and Self-discovery."
- Cultural Resonance: Counselors work directly with students to explore core values and culture, ensuring applicants target institutions where they will dynamically thrive.
- Individualized Advocacy: Because Pierrepont does not provide GPA or class rank, the counseling office acts as a high-level advocacy group. They translate the school's unique academic assessments into a format that Ivy+ admissions committees can effectively evaluate.
Student Sentiment
The efficacy of this intimate advising structure aligns directly with feedback provided by recent graduates.
"By helping me think critically about what I truly love, inspiring me to be my most authentic self... Lisa made possible the incredible past three years I've had at Penn. Everyone deserves a mentor like Lisa."
— Member of the Class of 2022
Financial Profile
Admissions offices at selective universities deeply analyze the socioeconomic accessibility of their feeder schools. According to Pierrepont's official tuition schedule for the 2025-2026 academic year, costs are bracketed by the student's birth year. Tuition is $57,200 for students born between 2007 and 2014, and $54,500 for students born between 2015 and 2020.
To maintain demographic and economic access, the school distributes financial aid entirely based on need and the availability of funds. Pierrepont explicitly does not provide financial aid based on merit.
Currently, 22% of the student body receives tuition assistance. Applications are processed through SSS (School and Student Services by NAIS), requiring comprehensive federal tax returns, W-2s, and documentation of all miscellaneous income streams. This robust, need-only financial aid framework aligns with the institutional priorities of the Ivy+ universities to which Pierrepont feeds.
Implications for Families
Our audit of The Pierrepont School's matriculation data confirms its position among the most highly competitive secondary institutions in the United States. The data reveals several crucial implications:
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Qualitative Assessment: Pierrepont demonstrates that traditional metrics (AP scores, GPA) are not prerequisites for Ivy+ entry if the qualitative rigor of the curriculum is globally recognized. The school prompts universities to read its transcripts deeply.
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Suburban Alternative: With an ECPI of 126.94, Pierrepont offers Fairfield County families an intellectual environment that yields outcomes similar to the leading Manhattan day schools, avoiding the city commute.
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Boutique Attention: Graduating a limited number of students each year (average class size of 6) ensures that college counseling remains highly personalized. This allows students to be guided toward optimal-fit schools like UChicago (7) and Stanford (7).
FAQ: The Pierrepont School Evaluation
Pierrepont achieves a 42% Ivy+ matriculation rate based on our manual audit of their cumulative 2010-2025 outcomes (44 out of 105 graduates). Stanford, UChicago, Columbia, and Yale act as primary Ivy+ pipelines.
Because our ECPI models do not currently feature a dedicated Connecticut quadrant, we benchmark Pierrepont against the New York City private day school market. Geographically located in Westport, Pierrepont competes directly for the same caliber of students and Ivy+ admissions slots as top Manhattan schools, securing a #2 overall ranking with a 126.94 ECPI score.
No. Pierrepont does not assign class rank, GPA, or traditional letter grades, nor does it offer AP or Honors classes. Instead, faculty members with advanced degrees design core courses to be taught at or above the college level, providing comprehensive written assessments three times a year.
Yes. Pierrepont sent 13% of its graduates to Top 15 liberal arts institutions historically. High-volume placements include Amherst (3), Smith (3), Barnard (2), and Swarthmore (2).
Yes. While tuition ranges from $54,500 to $57,200 depending on the student's birth year, Pierrepont distributes financial aid to 22% of its student body based entirely on demonstrated need via SSS (School and Student Services). The school does not offer merit-based aid.
Works Cited & Selected Sources
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