• First Here, Then Anywhere.

  • First Here, Then Anywhere.

  • First Here, Then Anywhere.

Now accepting applications for the 2025-2026 school year!

Please call our Admissions Office at 585-641-5344 to inquire.

A Different School of Thought

Our school is a thriving, diverse community of learners who engage locally and internationally to create opportunities to design, imagine, learn, and make a positive impact. 

Our Programs

  • Pre-Primary Pre-Primary Pre-Primary
    Our philosophy is to respond to the individual developmental needs of each child based on a healthy blend of these research-based programs.
  • Lower School Lower School Lower School
    A place where our students in Kindergarten through Fifth Grade are free to explore, encouraged to take risks, and develop their own voice.
  • Middle School Middle School Middle School
    Middle School at Allendale Columbia is a time of growth, transition, and tremendous excitement.
  • Upper School Upper School Upper School
    Students experience a variety of teaching styles including seminar-style classrooms, lectures, writing workshops, and collaborative learning.
JOIN US FOR
WALK-IN WEDNESDAYS
Drop in ANY Wednesday between 9:00 a.m. and 2 p.m.
for a guided tour and to learn more about AC!

Can't make it? Call 585.641.5344 to make an appointment today!

At A Glance

List of 8 items.

  • 29-35

    Average Graduating Class

  • 17

    Advanced Placement Classes

  • 19

    Varsity Athletic Teams

  • 375

    Students

  • 6

    School Drama Productions

  • 6:1

    Student-Faculty Ratio

  • 64

    Faculty Members

  • 75%

    of AP Exam Scores 3 or Higher

UPCOMING EVENTS

List of 4 events.

  • Mar
    6

    Junior Forum

    The Class Forum is an established Allendale Columbia School tradition introduced by the headmistress of the Columbia school, Mrs. Della Simpson, in 1946 to help students practice making arguments about current issues and to give the school community the opportunity to have a civil discussion about sensitive topics.
    Allendale - Curtis Performance Center - CPC
  • Mar
    12

    Women’s History Celebration

  • Mar
    13

    All Parent Appreciation Event

    All AC parents are encouraged to join us at our Parent Appreciation Night on Thursday, March 13th. Together, we will celebrate what makes AC special and unique — the families in our community! The evening will feature Rochester-based trivia, beer, wine, heavy hors d’oeuvres, and more!This is also your opportunity to vote in next year’s PACK Officers, so don’t miss out!

    Register here!
    Allendale - Dining Commons - DC
  • Mar
    15

    Middle School Musical Tech Day

View All Events

Visit Us

Allendale Columbia School’s 33-acre campus is located on the east side of Rochester New York in Pittsford. Surrounded by birch trees and Allens Creek, the campus provides a serene environment where our students learn, grow, and explore. 
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519 Allens Creek Road
Rochester, NY 14618

Phone: 585.381.4560
Email: info@allendalecolumbia.org
At Allendale Columbia, we prepare students for the world they will inherit. In our trusting and responsive environment, students 18 months through grade 12 grow in confidence and develop scholastic independence.
©2021 Allendale Columbia | All Rights Reserved