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. 
Now accepting applications for the 2024-2025 school year!

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

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

List of 3 events.

  • Mar
    23

    All 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.

    REGISTER NOW

    Admin. Oversight: Shelby Riter
  • Mar
    23

    Practice ACT

    We will offer practice tests at AC to all Upper School students (Grades 9-11). Practice SAT: Saturday, March 2nd from 9:00 a.m. - 1:00 p.m. Practice ACT: Saturday, March 23rd from 9:00 a.m. - 1:00 p.m. After the test, students may attend test review sessions through Chariot Learning to go over the individual tests in detail. Register for the free practice tests by 2/28: https://forms.gle/mU8DnWcrCN5Zy2Ew5.
  • Mar
    23

    Weekend Workshop: STEM-Stravaganza

    Join us for an exciting STEM-stravaganza Weekend Workshop on Saturday, March 23rd from 10:00 a.m - 2:00 p.m. Back by popular demand, this event promises a day filled with thrilling STEM projects and activities for the entire family led by our very own Teresa Parsons. The workshop includes all project materials and snacks. Learn more and sign up here!
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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 in nursery through grade 12 grow in confidence and develop scholastic independence.