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St. Columbanus School

Diocesan school · Grades Pre-K–5

Cortlandt Manor, NY

122 Oregon Rd, Cortlandt Manor, NY 10567

Overall grade: A+

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

  • AClass size
  • B+Years serving families
  • A+Diversity

What stands out

  • Smaller classes than 70% of Catholic schools in New York

In Cortlandt Manor, New York, St. Columbanus School is a Catholic diocesan school for students from pre-K through 5th grade. About 64 students attend, with roughly 10 students per teacher, smaller classes than 70% of Catholic elementary schools in New York. The school is part of the Archdiocese of New York. The school day runs about 6.5 hours, 180 days a year.

At a glance

Grades
Grades Pre-K–5
Students
64
Teachers
6.6 (full-time equivalent)
Students per teacher
9.7
Boys and girls
Coed · 30 girls, 34 boys
Religious affiliation
Catholic · Diocesan school
School day
About 6.5 hours
School year
180 days
Library
Yes

Reviews

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    How it compares

    • Smaller classes than 70% of Catholic elementary schools in New York (10 students per teacher).
    • A smaller school: fewer students than 90% of Catholic elementary schools in New York.
    • Compared with 242 Catholic elementary schools in New York.

    Students by survey year

    181’11–12227’13–14197’15–16145’21–2264’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K33
    K12
    110
    210
    311
    411
    510

    Student body

    Hispanic or Latino33%
    White25%
    Black20%
    Asian11%
    Two or more races11%

    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 St. Columbanus School

    What grades does St. Columbanus School serve?

    St. Columbanus School serves grades Pre-K–5.

    How many students attend St. Columbanus School?

    About 64 students, with 10 students per teacher, according to official records.

    How much is tuition at St. Columbanus 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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