Still accepting applications for the 2024-2025 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!

JOIN US FOR
Once Upon a Mattress
Our Middle and Upper School students have been hard at work on this year’s production of Once Upon a Mattress! This fun and lively twist on The Princess and the Pea follows Princess Winnifred’s journey as she faces impossible tests set by Queen Aggravain to win the hand of Prince Dauntless. With plenty of humor, music, and memorable moments, this show promises to entertain! 

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

UPCOMING EVENTS

List of 4 events.

  • Nov
    18

    Upper School Musical Tech Week

  • Nov
    22

    AC3's and Pre-K Color Days: Polka Dots & Stripes 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!
  • Nov
    22

    Upper School Musical Performance: Once Upon a Mattress

    Our Middle and Upper School students have been hard at work on this year’s production of Once Upon a Mattress! This fun and lively twist on The Princess and the Pea follows Princess Winnifred’s journey as she faces impossible tests set by Queen Aggravain to win the hand of Prince Dauntless. With plenty of humor, music, and memorable moments, this show promises to entertain! 

    To purchase your tickets to the show, please click here.
  • Nov
    23

    So Thankful - International Student Holiday Event!

    International students are invited to get a taste of American Thanksgiving with thematic crafts, food, games, and music at the International House!
    405 - International House - 201
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.