Locust Valley, NY · K–12
Last verified August 20, 2026
355 Duck Pond Rd, 11560 · (516) 750-3223
Enrollment
510
Student:teacher
8:1
Published tuition
$8,400–$49,100
Application fee
$75
Auto-sourced profile. These details were collected from the school's own website and may be out of date — always confirm tuition with the admissions office. Something wrong? Suggest a fix.
Tuition by division
We don't have a grade-by-grade tuition breakdown for this school yet. The published range across all divisions is $8,400–$49,100. Most independent schools charge different rates for preschool, elementary, middle and upper school.
Know the numbers? Add them below and we'll verify against the school's tuition page.
Head of school
Simon Owen-Williams
Head of School
Simon Owen-Williams is the Head of School at Portledge School, leading an interconnected educational journey within a close-knit community from Pre-K through 12th grade.
Curriculum & special classes
Portledge School offers a rigorous academic program grounded in the globally recognized International Baccalaureate framework, including existing DP, AP, and Singapore math offerings. Beginning in 2025, the IB Primary Years Program will be added, ensuring students develop critical thinking, ethical action, and global awareness.
Financial aid
Portledge School offers merit-based scholarships and need-based financial assistance to help qualified families access the education. Families interested in financial assistance should visit the Financial Assistance page on the school's website.
Application fee: $75
Before & after school care
Before school
Not listed
After school
Extended Day Options are available for Nursery & Pre-K at an additional cost. The school also mentions an 'After School Enrichment' program, but details are not provided.
Cost
Additional cost for Extended Day Options for Nursery & Pre-K.
Extended-care hours and rates change yearly — parents can correct these below.
Admissions
Portledge School offers a Pre-Nursery through 12th Grade journey. The admission process involves inquiry, tours, and specific application requirements depending on the grade level. Financial assistance applications can be started at the same time as the admission application.
Apply by
January 1 for a January 15 notification; February 1 for a February 15 notification; Rolling Admissions after February 15 as space permits.
Acceptance rate
Not listed
Application fee
$75
What they ask for: Application ($75 Domestic, $250 International), informal observations/testing (K-6), 'shadow day' (K-5), testing (SSAT, PSAT, PreACT, PSAT 8/9, PreACT 8/9, TACHS, ERB, SAT, ACT & ISEE for 6-12), interview (9-12), Parent Perspective form (PN-N, PK-1, 2-6, 7-12), School Recommendation (PK-1, 2-6, 7-12), records (2-6), Student Form (7-12), English Recommendation (7-12), Math Recommendation (7-12), School Transcripts (7-12), birth certificate. International applicants also require SSAT and TOEFL.
What parents are saying
Sign in to post or upvoteLoading…
Ask a parent
Anyone signed in can ask. Only verified parents at this school can answer.
Sign in to ask a question or answer one.
Loading questions…
Work at this school?
Claim this profile to correct tuition, add a welcome note, and link your admissions portal. Free, and verified by a moderator.
Claim your profile