• First Here, Then Anywhere.

  • First Here, Then Anywhere.

  • First Here, Then Anywhere.

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!

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.

At A Glance

List of 8 items.

  • 29-35

    Average Graduating Class

  • 17

    Advanced Placement Classes

  • 19

    Varsity Athletic Teams

  • 350

    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.

  • Jun
    14

    Commencement

    Commencement will be held on Sunday, June 14th at 1:00 p.m. Students should arrive at AC at 11:45 for photos. We will then travel to Nazareth University's Jane and Laurence Glazer Music Performance Center. For those who are unable to attend in person, we hope you can view our ceremony virtually. You can view that at allendalecolumbia.org/live beginning at 1:00 p.m
    4245 East Ave, Rochester, NY 14618
    Phil Schwartz
  • Jun
    16

    HAC Seabreeze Night

    We hope you will join us for this fun event, rain or shine! The water park will be open from 6 - 8 p.m. that evening and rides will be open from 6 -10 p.m.

    Tickets are $30 each

    Please note that parents must accompany their children, as supervision is not provided.
  • Jun
    20

    Reunion

    We are thrilled to welcome AC alumni, their families, and parents of alumni back to campus for Reunion on June 20th, 2026! Just as in years past, Reunion promises to be a fun-filled weekend, featuring many special events and activities for all ages!

    Schedule of Events
    Saturday, June 20th

    9:00 a.m. Former Columbia School Tour (RMSC)
    4:00 p.m. Tour of AC
    5:00 p.m. All Alumni Cocktail Party  & Distinguished Alumni Award honoring Nancy Hodge Lee ′48. 
  • Jul
    7

    AC3s Stay and Play

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