JOIN US FOR OUR
OPEN HOUSE
OPEN HOUSE
Thursday, October 22nd - 5:00-7:00 p.m. (All School)
Thursday, January 28th - 9:00-11:00 a.m. (Lower School)
Friday, January 29th - 9:00-11:00 a.m. (Middle & Upper School)
Saturday, March 13 - 9:00-11:00 a.m. (All School
During our time together, you’ll hear from Head of School Shannon Baudo and our admissions team as we share insights into the AC experience, our innovative programs, and our commitment to fostering a dynamic and inclusive learning environment. Guided campus tours will also be available to give you a firsthand look at our classrooms and student spaces.
REGISTER HERE
JOIN US FOR
WALK-IN WEDNESDAYS
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!
Can't make it? Call 585.641.5344 to make an appointment today!
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
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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
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 at Allendale Columbia is a time of growth, transition, and tremendous excitement. -
Upper School
Students experience a variety of teaching styles including seminar-style classrooms, lectures, writing workshops, and collaborative learning.
At A Glance
List of 8 items.
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29-35
Average Graduating Class -
17
Advanced Placement Classes -
19
Varsity Athletic Teams -
350
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.
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AC Homecoming
Join us for a fun-filled day with HAC soccer and volleyball games, bounce houses, pumpkin painting, raffles and delicious food trucks. Wristbands ($5) for unlimited activities and raffle tickets are available Purchase here! or at the event.
Want to help make Homecoming a success? Volunteer your time, donate a baked good, or contribute a raffle item—sign up here! -
HAC Homecoming Dance at The Harley School (9th-12th only)
All 9th-12th graders are invited to attend the Homecoming dance hosted by The Harley School. Guest permission forms are required and available in Upper School Office.
Tickets are $10 at the door -
Camp Pathfinder - 7th grade trip
The seventh-grade trip to Camp Pathfinder for the 2026-2027 school year is scheduled from Monday, September 28th to Friday, October 2nd. Students will leave Allendale Columbia early on the morning of September 28th and return on the evening of Friday, October 2nd. At Camp Pathfinder, the students will participate in outdoor education activities supervised by the camp’s trained staff.
Camp Pathfinder is remote and rustic, and is located on Pathfinder Island in Algonquin Park’s Source Lake, approximately forty minutes from Huntsville, Ontario. You can visit Camp Pathfinder’s website at www.camppathfinder.com to learn more about the camp and its facilities.
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.
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