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Portledge School

Independent school · Grades Pre-K–12

Locust Valley, NY

355 Duck Pond Rd, Locust Valley, NY 11560

Overall grade: A

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • BClass size
  • ACollege-going
  • A-Years serving families
  • ADiversity

What stands out

  • 100% of graduates go to four-year colleges
  • Growing: enrollment up 54% since 2011–12
  • Small classes: about 8 students per teacher
  • Serving families in Locust Valley since at least 2011
  • One school from pre-K through 12th grade

In Locust Valley, New York, Portledge School is an independent private school for students from pre-K through 12th grade. About 518 students attend, with roughly 8 students per teacher. Enrollment is up about 54% since 2011–12. The school reports that about 100% of its graduates go on to four-year colleges. The school day runs about 7 hours, 180 days a year.

At a glance

Grades
Grades Pre-K–12
Students
518
Teachers
66.9 (full-time equivalent)
Students per teacher
7.7
Boys and girls
Coed · 269 girls, 249 boys
Religious affiliation
None (nonsectarian)
School day
About 7 hours
School year
180 days
Graduates going to 4-year colleges
About 100% (the school's estimate for the class before the survey)
Library
Yes

Reviews

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    How it compares

    • Larger than 73% of independent schools in New York.
    • Compared with 83 independent schools in New York.

    Students by survey year

    337’11–12406’13–14431’15–16477’17–18489’19–20510’21–22518’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K19
    K11
    112
    219
    314
    423
    519
    629
    739
    847
    983
    1074
    1182
    1266

    Student body

    White61%
    Asian17%
    Black9%
    Hispanic or Latino7%
    Two or more races6%
    American Indian or Alaska Native0%

    Member of

    • National Association of Independent Schools
    • A state or regional independent school association

    Questions to ask on a tour

    • What is tuition, and what does it include (books, fees, uniforms, trips)?
    • Do you offer financial aid, sibling discounts or payment plans?
    • Do you accept ESA, voucher or tax-credit scholarship funds?
    • How big are classes in my child's grade?
    • What support is there for students who need extra help or more challenge?
    • Is the school accredited, and by whom?
    • What do a typical day and a typical week look like?
    • How does the school communicate with families?

    More questions to ask →

    Questions about Portledge School

    What grades does Portledge School serve?

    Portledge School serves grades Pre-K–12.

    How many students attend Portledge School?

    About 518 students, with 8 students per teacher, according to official records.

    How much is tuition at Portledge School?

    Call the school to ask about tuition, financial aid and payment plans.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

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