Portledge School
Portledge School is a 501(c)(3) independent college-preparatory day school in Locust Valley, NY, serving students from Pre-Nursery through Grade 12. It generates revenue through tuition, annual giving, planned gifts, and galas, and is differentiated by its IB curriculum, 7:1 faculty ratio, and 100% college acceptance record.
- Company typePrivate
- Founded1965
- HeadquartersLocust Valley, United States
- Headcount51–100
- GTM typeB2C
- OfferingServices
What Portledge School does
Portledge School is a 501(c)(3) independent college-preparatory day school founded in 1965, operating a single campus at 355 Duck Pond Road, Locust Valley, New York. It serves students from Pre-Nursery through Grade 12 across four divisions (Early Childhood, Lower School, Middle School, Upper School) and is authorized as an International Baccalaureate World School, offering the IB Diploma in the upper school alongside college counseling, arts, and athletics programs. Reported academic outcomes include a 100% graduation rate with 100% acceptance to four-year colleges and universities, a 7:1 student-faculty ratio, and 75% of faculty holding advanced degrees.
The school's core technology layer is modest and conventional for the sector: a proprietary parent/student portal branded 'myPortledge' (hosted on a Blackbaud/myschoolapp CDN) provides academic information, calendars, and communications, supplemented by Google Analytics, SSL, and an online application and donation system. There is no disclosed AI/ML infrastructure, proprietary platform, or technology IP; competitive differentiation rests on curriculum design (IB), faculty credentials, and community programming rather than technology.
Revenue is generated through tuition (primary), annual giving via The Portledge Fund (where 80% of current parents participate, with gift range $25-$50,000), a planned giving program (bequests, IRA rollovers, donor-advised funds, life insurance), restricted/capital gifts, and annual gala events (the 2026 'Raising the Stakes' Gala generated over $450,000). Tuition rates are not publicly disclosed. The go-to-market motion is sales-led through an admissions process of inquiries, campus visits, and a dedicated international student recruitment program, supported by content marketing via the school website, myPortledge portal, social media, the 'Crest' newsletter, and community events. Student and parent customers span four horizontal segments (Early Childhood, Lower School, Middle School, Upper School), with international students as a separately targeted segment.
Portledge School firmographics
Firmographics- Name
- Portledge School
- Legal name
- Portledge School
- Website
- https://portledge.org
- Company type
- Private
- Founded year
- 1965
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Portledge School is a 501(c)(3) independent college-preparatory day school in Locust Valley, NY, serving students from Pre-Nursery through Grade 12. It generates revenue through tuition, annual giving, planned gifts, and galas, and is differentiated by its IB curriculum, 7:1 faculty ratio, and 100% college acceptance record.
- Ownership category
- akta.pro rank
Portledge School industry classification
Industry- Product category
- Private K-12 Education
- NAICS
- Elementary and Secondary Schools (61111), Elementary and Secondary Schools (6111)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- International/Global Curriculum Schools (IB, Cambridge, etc.) (EDAJABAG)
Keywords
Where Portledge School is headquartered
LocationHeadquarters
- HQ city
- Locust Valley
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Portledge School business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Others
Revenue model
- Tuition: Primary revenue stream from tuition payments for Pre-Nursery through Grade 12 education programs.
- The Portledge Fund (Annual Giving): Annual fund campaign where gifts support daily operations, faculty salaries, classroom materials, technology, and resources. Last year gifts ranged from $25 to $50,000 with 80% of current parents participating.
- Planned Giving: Legacy giving programs including bequests through wills, retirement plan beneficiary designations, IRA charitable rollovers, donor-advised fund contributions, and life insurance gifts.
- Gala Fundraising Events: Annual gala events generating significant donations. The 2026 Raising the Stakes Gala generated over $450,000 in support of the school mission.
- Restricted/Capital Gifts: Major gifts for specific projects such as turf fields, all-school performance spaces, or other transformational projects.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Pre-Nursery through Grade 12 private education |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels6 records
Portledge School product offering
Product offeringCore offering
Portledge School is an independent, nonprofit, college-preparatory day school serving students from Pre-Nursery through Grade 12. It delivers a sequential academic curriculum anchored by an International Baccalaureate (IB) program in the Upper School, supplemented by dedicated college counseling, athletics, and visual/performing arts programs. The school operates from a single campus in Locust Valley, NY, supplemented by myPortledge, an online portal for students, parents, and faculty.
Product overview
Portledge School is a Pre-Nursery through Grade 12 independent school in Locust Valley, NY. The institution operates as a unified educational program with academic divisions spanning Early Childhood, Lower School, Middle School, and Upper School. Core offerings include the International Baccalaureate (IB) Program, College Counseling, Athletics, and Arts (Music, Visual Arts, Theatre Arts). The school supports students through myPortledge portal, After School Enrichment, and Summer at Portledge programs. Fundraising operations include The Portledge Fund (annual giving) and a Planned Giving Program. The institution's strategic direction is guided by the 'Forging Pathways to Excellence' strategic plan.
Differentiator
Problem solved
Functional benefit
Products and services
- Early Childhood Program Educational program for Pre-Nursery and early childhood students focusing on foundational learning, socialization, and early developmental skills, delivered on the Locust Valley campus.
- Lower School Program Academic program for lower elementary students (Grades 1-5) building core academic skills, early specialty subjects, and character development grounded in the school's four pillars.
- Middle School Program Academic program for middle school students (Grades 6-8) with increased academic rigor, exploratory subjects, and support for adolescent development and independence.
- Upper School Program College-preparatory academic program for Grades 9-12 with rigorous curriculum, leadership opportunities, and preparation for four-year college admission.
- International Baccalaureate (IB) Program Pre-university academic program offering the IB diploma and IB courses for Upper School students, providing an internationally recognized curriculum.
- College Counseling Guidance program assisting Upper School students with college selection, application processes, and achieving 4-year college acceptance.
- Athletics Program Athletic teams and wellness programs across divisions, including varsity sports such as Girls Soccer (4-time PSAA Champion) and use of the Athletic & Wellness Center.
- Arts Program Comprehensive arts education including Music, Visual Arts, Theatre Arts, and the Arts Scholar Program, with increasing depth as students progress through the divisions.
- After School Enrichment Extended learning activities and programs available after regular school hours for enrolled students.
- Summer at Portledge Summer programs providing educational and enrichment activities during summer break.
Quantifiable outcome
- 100% graduation rate and acceptance to 4-year colleges and universities
- +3 more outcomes
Companies that use Portledge School
Customer profileNamed customers2 records
Segments4 records
Ideal customer profiles2 records
Portledge School technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Portledge School partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered minor and core.
- Diamond ChallengeminorPortledge student Alice H. '27 participated in the Diamond Challenge competition, a global entrepreneurship competition for high school students, advancing to the Global Semifinals with her invention CleanHit.
- International Baccalaureate (IBO)corePortledge School is an authorized IB World School offering the International Baccalaureate Programme to upper school students. The IB programme provides students with an internationally recognized pre-university curriculum.
- New York State Association of Independent Schools (NYSAIS)corePortledge is a member of NYSAIS, the association serving independent schools in New York State, providing access to professional development, advocacy, and peer institutions.
- National Association of Independent Schools (NAIS)corePortledge is affiliated with NAIS, the national organization representing independent private schools, providing advocacy and professional resources.
Scale indicators8 records
Recent moves6 records
Expansion highlights5 records
Portledge School competitors and assessment
Company assessmentBroad incumbents
- The Dalton School: A Pre-K through Grade 12 independent day school in New York City. Larger, more urban, and more selective than Portledge, but operates in the same New York metro independent school market with comparable premium positioning.
- Horace Mann School: A Pre-K through Grade 12 independent day school in the Riverdale section of the Bronx. Larger, more established New York metro independent school competing for the most selective families in the tri-state area.
Direct peers
- The Buckley School: A K-9 independent boys' day school on the Upper East Side of Manhattan. Comparable college-prep foundation and New York metro positioning, often considered in the same family of selective feeder schools as Portledge.
- The Masters School: A Pre-K through Grade 12 independent day school in Dobbs Ferry, NY, with comparable scale, college-prep outcomes, and emphasis on character development similar to Portledge's four pillars.
- Poly Prep Country Day School: A Pre-N through Grade 12 independent day school in Brooklyn, NY. Comparable college-prep model, urban-adjacent location, similar extracurricular breadth, and aspirational tuition band.
- Hackley School: A Pre-K through Grade 12 independent day school in Tarrytown, NY, with comparable college-preparatory curriculum, athletics, and arts focus. Strong peer for benchmarking tuition, programs, and outcomes.
- Green Vale School: An independent Pre-Nursery through Grade 8 day school in Old Brookville, NY, just minutes from Portledge. Direct feeder-market competitor for early childhood and middle school families on the North Shore.
- Friends Academy: A Pre-K through Grade 12 independent day school located in Locust Valley, NY, directly adjacent to Portledge. Closest geographic and demographic peer, competing for the same North Shore Long Island families.
- Rye Country Day School: A Pre-K through Grade 12 independent day school in Rye, NY, serving a similar affluent Westchester/Long Island Sound corridor. Comparable college-prep curriculum, athletics, and arts programs at similar scale.
Others
- International Baccalaureate (IB): The credentialing body for the IB Programme that Portledge delivers. Not a direct competitor, but the governing organization whose curriculum and authorization framework shape Portledge's academic differentiator.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Portledge School social profiles
Digital presencePortledge School financial estimates
Financial estimateRevenue estimate
Valuation estimate
Portledge School leadership team
Management profileNumber of profiles
Profiles7 records
Portledge School funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Portledge School M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Portledge School
What does Portledge School do?
Portledge School is an independent, nonprofit, college-preparatory day school serving students from Pre-Nursery through Grade 12. It delivers a sequential academic curriculum anchored by an International Baccalaureate (IB) program in the Upper School, supplemented by dedicated college counseling, athletics, and visual/performing arts programs. The school operates from a single campus in Locust Valley, NY, supplemented by myPortledge, an online portal for students, parents, and faculty.
Is Portledge School a public or private company?
Portledge School is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Portledge School founded?
Portledge School was founded in 1965. It employs 51 to 100 people.
Where is Portledge School based?
Portledge School is headquartered in Locust Valley, United States, in the North America region.
How does Portledge School make money?
Five revenue lines are on record. Tuition is the primary driver. The others are the Portledge Fund (Annual Giving), planned Giving, gala Fundraising Events and restricted/Capital Gifts.
Who are Portledge School's main competitors?
Broad incumbents on record are The Dalton School and Horace Mann School. Direct peers are The Buckley School, The Masters School, Poly Prep Country Day School, Hackley School, Green Vale School, Friends Academy and Rye Country Day School. International Baccalaureate (IB) is listed as an others.
Does Portledge School have an API?
No public API is recorded for Portledge School.
What industry is Portledge School in?
Portledge School's product category is Private K-12 Education. Its primary akta.pro industry code is EDAJABAG, International/Global Curriculum Schools (IB, Cambridge, etc.). Its NAICS code is 61111 and its SIC code is 8200.