Civic Intelligence
School

The Loomis Chaffee School

Siviq Rank#63Windsor, CT • Boarding
Boarding55 AP CoursesTesting ranges include all tests taken regardless of whether a student chose to submit test scores.
Official WebsiteWikipediaProfile Source Page

Windsor, CT

Type

Boarding

Enrollment

748

Student-Teacher Ratio

-

Admit Rate

-

Reach

Global

Narrative

Profile Notes

Concise narrative context and counseling notes from the standardized school profile.

Summary

Official 2025–26 Loomis Chaffee profile describes a coeducational independent boarding school in Windsor, Connecticut, with 748 students in grades 9–12 and postgraduate study, representing 32 U.S. states and 46 countries. The school was chartered in 1874, does not rank students or provide a GPA, and is accredited by the New England Association of Schools and Colleges.

College Counseling

Director of College Guidance David Rion; Senior Associate Director of College Guidance Kathleen Wiggenhauser; Associate Directors of College Guidance Frederique Dupré, Kristen Logan, Kristen Newmark, and Anatasia Tabasco-Flores; Administrative Assistant Margaret Rodriguez.

Advanced Coursework

The school's highest level courses are designated “CL” (“College Level”) and are considered AP level or higher; accelerated courses are designated “Advanced.” Loomis Chaffee offers 55 CL term or year-long courses and 19 advanced courses.

Matriculation Notes

The profile provides a Class of 2025 college matriculation list and a separate five-year matriculation list identifying institutions to which four or more Loomis Chaffee students matriculated over the past five years.

Siviq Layer

Siviq Scores

Percentile-style context derived from standardized school data and presented separately from reported facts.

Siviq Scores

Precomputed percentiles relative to similar schools. These scores are descriptive rather than judgmental.

Academic Program

100th percentile

55 AP courses

Higher reported academic program than 100% of similar schools.

Combines advanced-course offerings, testing, and reported honors or IB signals.

Private • 600-999 students • 2025-2026 school data

Average Class Size

20th percentile

191 students

Lower reported average class size than 20% of similar schools.

Smaller reported average classes score higher within each peer cohort.

Private • 600-999 students • 2025-2026 school data

Outcomes

79th percentile

80 destinations

Higher reported outcomes than 79% of similar schools.

Based on reported college destinations in the current school profile.

Private • 600-999 students • 2025-2026 school data

Reach & Access

62nd percentile

46 countries

Higher reported reach & access than 62% of similar schools.

Combines geographic reach and reported access signals from the current school data.

Private • 600-999 students • 2025-2026 school data

Standardized Data

Profile

Consistent metrics and policies normalized into shared field groups across school profiles.

Profile

Overview

Standardized overview fields for this school.

Grades Served
9

Profile

Academics

Standardized academics fields for this school.

AP Courses
55
Testing Policy
Testing ranges include all tests taken regardless of whether a student chose to submit test scores.

Profile

Student Body

Standardized student body fields for this school.

States Represented
32
Countries Represented
46
Students of Color
40%
International Students
12%

Profile

Policies

Standardized policies fields for this school.

Class Rank Policy
Loomis Chaffee does not rank its students nor provide a GPA.
Disciplinary Reporting
If asked, Loomis Chaffee reports any suspension to colleges and universities.

Location Context

Nearest

Nearby travel and geographic reference points for the campus.

Nearest Airport

Bradley International Airport

BDL • 6 mi

Nearest Commercial Airport

Bradley International Airport

BDL • 6 mi

Nearest Major City

Hartford

CT • 6 mi

Institutional Details

People & Credentials

Structured profile metadata extracted from the school profile, including leaders, contacts, accreditations, and school codes.

Institutional

Leadership

Named school leaders and senior profile signatories.

Head of School

Jody Reilly Soja

School Administration

Director of College Guidance

David Rion

College Guidance

Senior Associate Director of College Guidance

Kathleen Wiggenhauser

College Guidance

Associate Director of College Guidance

Frederique Dupré

College Guidance

Associate Director of College Guidance

Kristen Logan

College Guidance

Associate Director of College Guidance

Kristen Newmark

College Guidance

Associate Director of College Guidance

Anatasia Tabasco-Flores

College Guidance

Institutional

Contacts

Admissions, counseling, registrar, and other named profile contacts.

College Office

College Guidance

[email protected] • 860.687.6351

Facsimile 860.687.6356; Windsor, Connecticut 06095.

Administrative Assistant

Margaret Rodriguez

Named in the college guidance office staff listing on the 2025–26 profile.

Institutional

Accreditations

Accreditations or formal memberships reported on the school profile.

Accredited

New England Association of Schools and Colleges

Schoolwide

Institutional

School Codes

Institutional identifiers like CEEB and other profile-reported school codes.

CEEB Code

070945

CEEB

External References

Links

Official, admissions, social, and reference links associated with this school.

Reference

Wikipedia

Background and history for The Loomis Chaffee School.

College Outcomes

Top Colleges

Annualized destinations drawn from the school profile's reported college outcomes.

CollegeAvg/Year
Amherst College1
Babson College1
Bates College1
Boston College1
Boston University1
Bowdoin College1
Brandeis University1
Brown University1
Bucknell University1
California Institute of Technology1

Search & Answers

The Loomis Chaffee School Frequently Asked Questions

Common questions answered from the normalized school profile and linked back to the relevant section on this page.

What is the student-teacher ratio at The Loomis Chaffee School?

The current school profile does not publish a normalized student-teacher ratio for The Loomis Chaffee School.

See Quick Facts

How many students are enrolled at The Loomis Chaffee School?

The current school profile reports about 748 students enrolled at The Loomis Chaffee School.

See Quick Facts

What grades does The Loomis Chaffee School offer?

The Loomis Chaffee School currently reports serving grades 9-12, PG.

See Profile Overview

Where is The Loomis Chaffee School located?

The Loomis Chaffee School is located in Windsor, CT.

See School Overview

Is The Loomis Chaffee School a day school or a boarding school?

The Loomis Chaffee School is a private school.

See Quick Facts

Which colleges show up most often for The Loomis Chaffee School?

The current school profile highlights Amherst College as one of the top reported college destinations for The Loomis Chaffee School.

See Top Colleges

Does Loomis Chaffee rank students or report a GPA?

No. Loomis Chaffee says it does not rank students and does not provide a GPA.

See Profile Notes

Does Loomis Chaffee use semesters or trimesters?

It runs on a trimester system.

See Academics

What’s the typical course load at Loomis Chaffee?

Most students take five courses. Sophomores typically take four courses plus Writers Workshop and The Seminar in the Common Good.

See Academics

How is the college guidance office staffed?

The office includes Director of College Guidance David Rion, Senior Associate Director Kathleen Wiggenhauser, four associate directors, and Administrative Assistant Margaret Rodriguez.

See People & Credentials

By Geography

Nearby Schools

Other schools nearby based on campus location.

By Similarity

Similar Schools

Schools grouped by type, size, ratio, rank neighborhood, and related signals.

Provenance

Sources

School profile PDFs, official website pages, and reviewed sources used to compile this page.

SourceTypeCheckedMetrics
2025-2026 School Profile (PDF)
Used for normalized profile metrics, school facts, FAQ answers, and school SEO metadata.
Official source: resources.finalsite.net/images/v1758830833/loomis/nsw5m9akbpx65vk9aqin/LCCollegeProfile2526.pdf
School Profile PDFApr 01, 2026AP Courses • Academic Rigor Category • Access Category • Accreditations • Advanced Course Notes • Average Class Size • More normalized profile fields
2025-2026 school profile PDF
resources.finalsite.net/images/v1758830833/loomis/nsw5m9akbpx65vk9aqin/LCCollegeProfile2526.pdf
Official Linked FileMay 11, 2026AP Courses
About - The Loomis Chaffee School
www.loomischaffee.org/about
Official Website PageMay 11, 2026International Students • Students of Color
Key Facts - The Loomis Chaffee School
www.loomischaffee.org/about/key-facts
Official Website PageMay 11, 2026Average Class Size
Mission & History - The Loomis Chaffee School
www.loomischaffee.org/about/mission-history
Official Website PageApr 05, 2026Enrollment
The Loomis Chaffee School
www.loomischaffee.org
Official Website PageApr 05, 2026Founded Year • Grades Served
Sources & Data QualityMirrored artifacts, website inventory, and normalization review notes for this school profile.

Source Links

Known Website Addresses

RoleURLMethod
official_websitewww.loomischaffee.org/about/at-a-glancesupplemental_backfill
official_websitewww.loomischaffee.org/about/factssupplemental_backfill
official_websitewww.loomischaffee.org/about/fast-factssupplemental_backfill
official_websitewww.loomischaffee.org/about/quick-factssupplemental_backfill
Academics - The Loomis Chaffee Schoolwww.loomischaffee.org/academicssupplemental_backfill
official_websitewww.loomischaffee.org/academics/college-counselingsupplemental_backfill
Admissionwww.loomischaffee.org/admissionsupplemental_backfill
official_websitewww.loomischaffee.org/admissionssupplemental_backfill
Student Life - The Loomis Chaffee Schoolwww.loomischaffee.org/student-lifesupplemental_backfill
official_websitewww.loomischaffee.org/tuition-and-financial-aidsupplemental_backfill
College Guidance - The Loomis Chaffee Schoolwww.loomischaffee.org/academics/college-guidanceexisting
2025-2026 school profile PDFresources.finalsite.net/images/v1758830833/loomis/nsw5m9akbpx65vk9aqin/LCCollegeProfile2526.pdfpage_scan
About - The Loomis Chaffee Schoolwww.loomischaffee.org/aboutsupplemental_backfill
Inclusive Excellence & Belonging - The Loomis Chaffee Schoolwww.loomischaffee.org/about/inclusive-excellence-belongingsupplemental_backfill
Student Organizations & Affinity Groups - The Loomis Chaffee Schoolwww.loomischaffee.org/about/inclusive-excellence-belonging/student-organizations-affinity-groupssupplemental_backfill
Key Facts - The Loomis Chaffee Schoolwww.loomischaffee.org/about/key-factssupplemental_backfill
The Loomis Chaffee Schoolwww.loomischaffee.orgexisting
Mission & History - The Loomis Chaffee Schoolwww.loomischaffee.org/about/mission-historysupplemental_backfill
Our Centers - The Loomis Chaffee Schoolwww.loomischaffee.org/about/our-centerssupplemental_backfill

All Canonical Metrics

MetricValueEvidence
Grades Served9grades 9&ndash
Lowest Grade99-12, PG
Highest Grade129-12, PG
Postgraduate OfferedYes9-12, PG
Boarding StatusBoardingThe Loomis Chaffee School is a four-year, coeducational, independent boarding school located on a 300-acre campus in Windsor, Connecticut.
Boarding Status CodeboardingBoarding
School TypePrivateThe Loomis Chaffee School is a four-year, coeducational, independent boarding school located on a 300-acre campus in Windsor, Connecticut.
School Type CodeprivatePrivate
Enrollment748There are 748 students in grades 9 through 12 and postgraduate study, and 198 students in the Class of 2026.
Residential Enrollment--
Day Enrollment--
Student-Teacher Ratio--
Founded Year1874Chartered in 1874, Loomis Chaffee is an independent college preparatory boarding and day school for grades 9–12 and postgraduates.
School Leadership-Head of School Jody Reilly Soja
Key Contacts-Telephone 860.687.6351; Facsimile 860.687.6356; [email protected]
Accreditations-The school is accredited by the New England Association of Schools and Colleges
School Codes-CEEB Code: 070945
AP Courses55Loomis Chaffee offers 55 CL term or year-long courses and 19 advanced courses. ... Our highest level courses have the designation of “CL” (for “College Level”) on the transcript. We consider these to be AP level or higher.
Average Class Size191average class size 191
IB Program--
Honors Program--
Advanced Course NotesThe school's highest level courses are designated “CL” (“College Level”) and are considered AP level or higher; accelerated courses are designated “Advanced.” Loomis Chaffee offers 55 CL term or year-long courses and 19 advanced courses.Our highest level courses have the designation of “CL” (for “College Level”) on the transcript. We consider these to be AP level or higher. Courses that move at an accelerated pace, go beyond normal curriculum requirements and require longer homework assignments are designated as “Advanced.” Loomis Chaffee offers 55 CL term or year-long courses and 19 advanced courses.
Faculty Count--
College Counseling SummaryDirector of College Guidance David Rion; Senior Associate Director of College Guidance Kathleen Wiggenhauser; Associate Directors of College Guidance Frederique Dupré, Kristen Logan, Kristen Newmark, and Anatasia Tabasco-Flores; Administrative Assistant Margaret Rodriguez.Director of College Guidance David Rion; Senior Associate Director of College Guidance Kathleen Wiggenhauser; Associate Directors of College Guidance Frederique Dupré, Kristen Logan, Kristen Newmark, Anatasia Tabasco-Flores; Administrative Assistant Margaret Rodriguez.
Testing PolicyTesting ranges include all tests taken regardless of whether a student chose to submit test scores.Includes all tests taken regardless of whether student chose to submit test scores
Testing Policy CodereportedTesting ranges include all tests taken regardless of whether a student chose to submit test scores.
Average SAT--
Average ACT--
Matriculation SummaryThe profile provides a Class of 2025 college matriculation list and a separate five-year matriculation list identifying institutions to which four or more Loomis Chaffee students matriculated over the past five years.Class of 2025 College Matriculation. Five-Year College Matriculation. Over the past five years, four or more Loomis Chaffee students have matriculated to the following institutions:
Top Colleges-Amherst College 4 or more students over the past five years; Babson College 4 or more students over the past five years; Bates College 4 or more students over the past five years; Boston College 4 or more students over the past five years; Boston University 4 or more students over the past five years; Bowdoin College 4 or more students over the past five years; Brandeis University 4 or more students over the past five years; Brown University 4 or more students over the past five years; Bucknell University 4 or more students over the past five years; California Institute of Technology 4 or more students over the past five years; Carnegie Mellon University 4 or more students over the past five years; Colby College 4 or more students over the past five years; Colgate University 4 or more students over the past five years; College of the Holy Cross 4 or more students over the past five years; Columbia University 4 or more students over the past five years; Connecticut College 4 or more students over the past five years; Cornell University 4 or more students over the past five years; Dartmouth College 4 or more students over the past five years; Duke University 4 or more students over the past five years; Elon University 4 or more students over the past five years; Emory University 4 or more students over the past five years; George Washington University 4 or more students over the past five years; Georgetown University 4 or more students over the past five years; Hamilton College 4 or more students over the past five years; Harvard University 4 or more students over the past five years; Indiana University, Bloomington 4 or more students over the past five years; Johns Hopkins University 4 or more students over the past five years; Kenyon College 4 or more students over the past five years; Lafayette College 4 or more students over the past five years; Lehigh University 4 or more students over the past five years; Loyola Marymount University 4 or more students over the past five years; McGill University 4 or more students over the past five years; Miami University (Oxford) 4 or more students over the past five years; Middlebury College 4 or more students over the past five years; New York University 4 or more students over the past five years; Northeastern University 4 or more students over the past five years; Northwestern University 4 or more students over the past five years; Princeton University 4 or more students over the past five years; Providence College 4 or more students over the past five years; Quinnipiac University 4 or more students over the past five years; Rensselaer Polytechnic Institute 4 or more students over the past five years; Rice University 4 or more students over the past five years; Skidmore College 4 or more students over the past five years; St. Lawrence University 4 or more students over the past five years; Stanford University 4 or more students over the past five years; Swarthmore College 4 or more students over the past five years; Syracuse University 4 or more students over the past five years; Trinity College 4 or more students over the past five years; Tufts University 4 or more students over the past five years; Tulane University of Louisiana 4 or more students over the past five years; United States Naval Academy 4 or more students over the past five years; University of California, Berkeley 4 or more students over the past five years; University of California, Davis 4 or more students over the past five years; University of California, Irvine 4 or more students over the past five years; University of Chicago 4 or more students over the past five years; University of Connecticut 4 or more students over the past five years; University of Florida 4 or more students over the past five years; University of Miami 4 or more students over the past five years; University of Michigan 4 or more students over the past five years; University of North Carolina, Chapel Hill 4 or more students over the past five years; University of Notre Dame 4 or more students over the past five years; University of Pennsylvania 4 or more students over the past five years; University of Pittsburgh 4 or more students over the past five years; University of Richmond 4 or more students over the past five years; University of Rochester 4 or more students over the past five years; University of Southern California 4 or more students over the past five years; University of St Andrews 4 or more students over the past five years; University of Toronto 4 or more students over the past five years; University of Vermont 4 or more students over the past five years; University of Virginia 4 or more students over the past five years; University of Wisconsin, Madison 4 or more students over the past five years; Vanderbilt University 4 or more students over the past five years; Vassar College 4 or more students over the past five years; Villanova University 4 or more students over the past five years; Wake Forest University 4 or more students over the past five years; Washington University in St. Louis 4 or more students over the past five years; Wellesley College 4 or more students over the past five years; Wesleyan University 4 or more students over the past five years; Williams College 4 or more students over the past five years; Yale University 4 or more students over the past five years
States Represented32All 748 Loomis students, who represent by citizenship and residency 32 U.S. states and 46 countries, plan to attend four-year colleges and universities.
Countries Represented46All 748 Loomis students, who represent by citizenship and residency 32 U.S. states and 46 countries, plan to attend four-year colleges and universities.
Students of Color40Quick Facts 748 students 70% boarding; 30% day 40% of students identify as domestic students of color 12% international students
International Students1212% international
Receiving Financial Aid--
Tuition-Free Share--
Applicants--
Admitted--
Matriculated--
Admit Rate--
Yield Rate--
Class Rank PolicyLoomis Chaffee does not rank its students nor provide a GPA.Loomis Chaffee does not rank its students nor provide a GPA.
Class Rank Policy Code-Loomis Chaffee does not rank its students nor provide a GPA.
Weighted Grades--
Weighted Grades Policy--
Disciplinary ReportingIf asked, Loomis Chaffee reports any suspension to colleges and universities.If asked, Loomis Chaffee reports any suspension to colleges and universities.
Boarding Modelunknownunknown
Selectivity Categoryselectiveselective
Academic Rigor Categoryvery_highvery_high
Testing Policy Categorytest_optionaltest_optional
College Counseling Categoryextensiveextensive
Student Body Reach Categoryglobalglobal
Access Categorylimited_evidencelimited_evidence
Outcome Categoryexceptional_outcomesexceptional_outcomes
Signals-Described in the profile as a coeducational independent boarding school, but no day-student share or explicit boarding/day model is reported.; Offers 55 CL courses, with CL designated as AP level or higher, plus 19 advanced courses.; Middle 50% testing for the Class of 2025 is reported as SAT EBRW 610-750 and SAT Math 590-770; ACT composite 28-34.; Past five years include 15 National Merit Semifinalists and 85 National Merit Commended Scholars.; Testing note says score ranges include all tests taken regardless of whether a student chose to submit scores.; College guidance staffing includes a director, a senior associate director, four associate directors, and an administrative assistant.; The school is identified as a founding member of the Association of College Counselors of Independent Schools.; Student body representation is reported as 32 U.S. states and 46 countries.; The profile provides both a Class of 2025 matriculation list and a five-year matriculation list.; Five-year matriculation reporting shows 4 or more students to numerous highly selective institutions, including Harvard, Yale, Princeton, Stanford, Caltech, Columbia, Chicago, Duke, Penn, and Williams.; No financial-aid participation percentages are reported in the supplied evidence.