Type
-
School
Hackley School
Siviq Rank#48Tarrytown, NY
Enrollment
-
Student-Teacher Ratio
6:1
Admit Rate
-
Reach
Limited Evidence
Narrative
Profile Notes
Summary
The supplied Hackley School PDF pages provide a college counseling matriculation list covering the last four years (2022-2025), the school’s founded year (1899), and footer contact information. The excerpt does not provide broader enrollment, academics, admissions, leadership, accreditation, or school-code details.
Siviq Layer
Siviq Scores
Siviq Scores
Precomputed percentiles relative to similar schools. These scores are descriptive rather than judgmental.
Average Class Size
67th percentile
Lower reported average class size than 67% of similar schools.
Smaller reported average classes score higher within each peer cohort.
Institutional Resources
85th percentile
Higher reported institutional resources than 85% of similar schools.
Uses linked nonprofit financial capacity when a reviewed EIN match is available.
Outcomes
47th percentile
Higher reported outcomes than 47% of similar schools.
Based on reported college destinations in the current school profile.
Reach & Access
24th percentile
Higher reported reach & access than 24% of similar schools.
Combines geographic reach and reported access signals from the current school data.
Student Experience
69th percentile
Lower reported student experience than 69% of similar schools.
Lower student-teacher ratios score higher within each peer cohort.
Standardized Data
Profile
Profile
Overview
- Grades Served
- K-4
Linked Nonprofit Data
Nonprofit Financials
Net Assets
$278,612,390
Tax year 2024
Net Income
$9,255,289
Latest revenue minus expenses from the school's nonprofit filing.
Total Expenses
$61,969,964
Tax year 2024
Expenses Per Student
-
Calculated from total expenses divided by the current school-profile enrollment.
Location Context
Nearest
External References
Links
College Outcomes
Top Colleges
Search & Answers
Hackley School Frequently Asked Questions
What is the student-teacher ratio at Hackley School?
The current school profile does not publish a normalized student-teacher ratio for Hackley School.
Is Hackley School a day school or a boarding school?
Hackley School is a private school.
Which colleges show up most often for Hackley School?
The current school profile highlights American University as one of the top reported college destinations for Hackley School.
What years does Hackley’s college matriculation list cover?
It covers the last four years, from 2022 through 2025.
Does Hackley highlight colleges that enrolled several graduates?
Yes. The profile says schools shown in bold enrolled five or more Hackley graduates over the past four years, although the specific bolded schools aren’t recoverable in the supplied evidence.
Are any international universities listed for Hackley graduates?
Yes. The matriculation list includes international options like the University of St Andrews, the University of Sydney, and Jagiellonian University in Krakow.
What are some examples of colleges Hackley students have gone on to?
The reported list includes schools such as Harvard, Yale, Princeton, Stanford, Columbia, Cornell, Brown, Duke, Caltech, the University of Chicago, Penn, 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 | Academic Rigor Category • Access Category • Average Class Size • Boarding Model • College Counseling Category • Founded Year • More normalized profile fields |
| Affording Hackley | Hackley School www.hackleyschool.org/admissions/affording-hackley | Official Website Page | May 11, 2026 | Grades Served |
| How to Apply | Hackley School www.hackleyschool.org/admissions/how-to-apply | Official Website Page | May 11, 2026 | Grades Served |
| Additional official source www.hackleyschool.org/admissions | Official Website Page | Mar 30, 2026 | Average Class Size • Founded Year • Student-Teacher Ratio |
| Hackley School www.hackleyschool.org | Official Website Page | Apr 05, 2026 | Grades Served |
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 | K-4 | Grades K-4 Middle School: Grades 5-8 Upper School: Grades 9-12 Global Education Independent Research Programs College Counseling Student Support Hackley Libraries Arts & |
| Lowest Grade | - | - |
| Highest Grade | - | - |
| Postgraduate Offered | - | - |
| Boarding Status | - | - |
| Boarding Status Code | - | - |
| School Type | - | - |
| School Type Code | - | - |
| Enrollment | - | - |
| Residential Enrollment | - | - |
| Day Enrollment | - | - |
| Student-Teacher Ratio | 6 | student-teacher ratio is approximately 6:1 |
| Founded Year | 1899 | Founded in 1899 |
| School Leadership | - | - |
| Key Contacts | - | - |
| Accreditations | - | - |
| School Codes | - | - |
| AP Courses | - | - |
| Average Class Size | 16 | average class size is 16 |
| IB Program | - | - |
| Honors Program | - | - |
| Advanced Course Notes | - | - |
| Faculty Count | - | - |
| College Counseling Summary | - | - |
| Testing Policy | - | - |
| Testing Policy Code | - | - |
| Average SAT | - | - |
| Average ACT | - | - |
| Matriculation Summary | - | - |
| Top Colleges | - | American University; Amherst College; Auburn University; Austin Community College District; Babson College; Bard College; Bates College; Binghamton University; Boston College; Boston University; Bowdoin College; Brandeis University; Brown University; Bucknell University; California Institute of Technology; California Institute of the Arts; Carleton College; Carnegie Mellon University; Case Western Reserve University; Claremont McKenna College; Colby College; Colgate University; College of the Holy Cross; Colorado College; Columbia University; Connecticut College; Cornell University; Dartmouth College; Denison University; Dickinson College; Duke University; Emerson College; Emory University; Fairfield University; Fordham University; Franklin & Marshall College; George Washington University; Georgetown University; Georgia Institute of Technology; Hamilton College; Hampton University; Harvard University; Haverford College; Howard University; Indiana University (Bloomington); Ithaca College; Jagiellonian University in Krakow; Johns Hopkins University; Kenyon College; Lafayette College; Lehigh University; Loyola University Chicago; Loyola University Maryland; Macalester College; Manhattanville University; Miami University (Oxford); Middlebury College; New York University; Northeastern University; Northwestern University; Oberlin College; Penn State University (University Park); Pomona College; Princeton University; Purdue University (Main Campus); Quinnipiac University; Rice University; Rochester Institute of Technology; Rutgers University (New Brunswick); San Diego State University; Santa Clara University; Scripps College; Skidmore College; South Dakota School of Mines and Technology; Southern Methodist University; St. John's University; Stanford University; SUNY College at Cortland; SUNY Oneonta; SUNY University at Buffalo; Swarthmore College; Syracuse University; Temple University; The University of Texas at Austin; Trinity College; Tufts University; Tulane University of Louisiana; Union College; United States Military Academy at West Point; University of California (Berkeley); University of California (Irvine); University of California (Los Angeles); University of Chicago; University of Colorado Boulder; University of Connecticut; University of Florida; University of Illinois at Urbana-Champaign; University of Maryland (College Park); University of Massachusetts (Amherst); University of Miami; University of Michigan; University of North Carolina at Chapel Hill; University of Notre Dame; University of Pennsylvania; University of Pittsburgh (Pittsburgh); University of Richmond; University of Rochester; University of Southern California; University of St Andrews; University of Sydney; University of Virginia (Main Campus); University of Wisconsin (Madison); Vanderbilt University; Vassar College; Villanova University; Wake Forest University; Washington and Lee University; Washington University in St. Louis; Wellesley College; Wesleyan University; William & Mary; Williams College; Yale University |
| States Represented | - | - |
| Countries Represented | - | - |
| Students of Color | - | - |
| International Students | - | - |
| Receiving Financial Aid | - | - |
| Tuition-Free Share | - | - |
| Applicants | - | - |
| Admitted | - | - |
| Matriculated | - | - |
| Admit Rate | - | - |
| Yield Rate | - | - |
| Class Rank Policy | - | - |
| Class Rank Policy Code | - | - |
| Weighted Grades | - | - |
| Weighted Grades Policy | - | - |
| Disciplinary Reporting | - | - |
| Boarding Model | unknown | unknown |
| Selectivity Category | limited_evidence | limited_evidence |
| Academic Rigor Category | limited_evidence | limited_evidence |
| Testing Policy Category | not_reported | not_reported |
| College Counseling Category | not_reported | not_reported |
| Student Body Reach Category | limited_evidence | limited_evidence |
| Access Category | limited_evidence | limited_evidence |
| Outcome Category | strong_outcomes | strong_outcomes |
| Signals | - | Four-year college matriculation reporting span is explicitly provided for 2022-2025.; Profile notes that some listed colleges enrolled five or more Hackley graduates over the past four years, though the specific bolded schools are not recoverable in the supplied evidence.; Reported matriculation destinations include numerous highly selective institutions such as Harvard, Yale, Princeton, Stanford, Columbia, Cornell, Brown, Duke, Caltech, Chicago, Penn, and Williams.; Reported matriculation destinations also include international universities such as University of St Andrews, University of Sydney, and Jagiellonian University in Krakow.; No admit rate, applicant volume, SAT/ACT averages, advanced-course depth, student geographic breadth, boarding status, or financial-aid participation metrics are reported in the supplied evidence. |