• 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!

JOIN US FOR
Charlotte's Web
Our Middle and Upper School students are excited to present year’s production of Charlotte's Web! Our students have worked to bring this beloved story to life, portraying Wilbur, Charlotte, and the rest of the unforgettable cast in a heartwarming adaptation you won’t want to miss

To purchase your tickets to the show, please click here.

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

AC Centers for Impact

UPCOMING EVENTS

List of 4 events.

  • Jan
    21

    Middle & Upper School Play Tech Week

  • Jan
    21

    Lower School Open House

    Lifelong success starts with an education that fosters critical, independent thinking and an appreciation for the core values. Find out how Allendale Columbia School provides students with a real and relevant education. Meet our teachers, students and administrators, and tour the campus to learn more about AC's innovative approach. Registration is encouraged. Please contact  the Admissions Office at 585.641.5344 or admissions@allendalecolumbia.org with questions.
  • Jan
    22

    AC3's and Pre-K Color Days: Silver and Gold Day

    Once a month the Nursery and Pre-K students wear a specific color or pattern as they learn about different colors, shapes and patterns in their classrooms. Please join us in helping our youngest students celebrate the color or pattern of the month and wear what's specified in the calendar listing above!
  • Jan
    23

    Kindergarten Bake Sale

    Our Kindergarten Bake Sale is here! Stop by and pick up some delicious goodies while supporting a local organization. Every cookie, brownie, and cupcake you buy helps make a difference in our community. Let’s spread kindness, one bite at a time!
    Allendale - Dining Commons - DC
    Aly Rubelmann and Barbie King
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