A leading independent, diverse, co-ed school that prepares students in nursery through grade 12 for the world they will inherit. Located in Rochester, NY.
AC Centers for Impact
What Could You Be Doing at AC?
Virtual Tour
Come inside Allendale Columbia School with our virtual school tour designed by AC alum, Yuming Ma ’16. You’ll see our courtyard, dining commons, Curtis Performance Center, Design and Innovation Labs (DAIL), gym, after-school care in the Rainbow Room, and various classrooms around campus.
Fast Facts
Authentic Learning in Action
AC students host the eighth-annual TEDxAllendaleColumbiaSchool
Posted on February 13th, 2020On February 1st, AC students hosted their eighth-annual TEDx event, an independently organized event run exclusively by students and licensed by TED. This year, eleven speakers took the stage, including retired U.S. Army Colonel Mark Kortepeter, Adrian Hale, Kerry Dunn, and numerous students and community members. This is one of only three TEDx events scheduled in Rochester this year and the only one exclusively organized and run by high school students.
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NASA Thanks AC Sixth Grade Citizen Scientists for Their Research
Posted on December 19th, 2019AC sixth graders just completed a month-long citizen science project through NASA's GLOBE Program, recording more than 330 cloud observations. On December 17th, the class virtually met with NASA Education Specialist Marile Colon Robles who thanked the students for their work and reiterated the importance their cloud data plays in NASA's on-going studies.
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Second Graders Learn About Cities by Meeting with a City Planner and Building Their Own!
Posted on December 10th, 2019Second graders meet with Manager of Special Projects for the City of Rochester, Erik Frisch to discuss different transportation systems and learn more about the City of Rochester as they plan and create their own city, Birchville.
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Stand With AC
"The future depends on what we do in the present."
The 2019-2020 academic year is a pivotal one here at AC. Our students are counting on you to support The Fund for Allendale Columbia School in record numbers and at historic levels. Our need has never been greater, and our case has never been stronger.Learn More →
What It’s Like at AC
“There is no other school that could even compare or come close to what AC has to offer. We agreed that the family atmosphere, small class sizes, and the teacher-to-student relationship was what made AC such a valuable part of our lives.”
– Deb Person, P’26, talking with an AC alum from the class of 1983
Contact Us
Ready to check out AC for yourself? The only way to know if it’s right for you is to come visit. You can walk in any Wednesday and meet with Shelby, Lisa, or Shannon on our Admissions team. You can also sign up for our next open house, contact us through our online inquiry form, call us at 585.641.5344, or start your application online today!