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. 
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.

  • Feb
    14
  • Feb
    14

    AC3's and Pre-K Color Days: Pink Day

    Once a month the AC3 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!
  • Feb
    14

    BSU Bake Sale

    Join us for the Bake Sale today, hosted by the BSU.
    Allendale - Dining Commons - DC
  • Feb
    27

    African American Read-In

    AC students, faculty, staff, and alumni are invited to share short readings by African-American and Pan-African writers.
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. 
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.