Embarking on the journey of a lifetime

For 127 years, Allendale Columbia School has been challenging students to reach their potential by offering opportunities for leadership, character development, and structure around high expectations. AC is currently home to over 420 students in nursery through grade 12 who are from more than 51 communities nearby, ten countries, and four continents. As an independent school, we don’t teach … 
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Looking for a way to learn more about AC, here's how!

Lunch & Learn

Drop in (virtually) for a minute or stay for an hour! Chat with the Allendale Columbia Admissions Team ANY Wednesday between noon and 1 p.m. to learn more about AC! Each Lunch & Learn has a different theme to highlight AC’s various opportunities, but we are happy to answer any questions you may have! View our schedule of upcoming Lunch & Learns

Learn more and register for our upcoming Lunch & Learns


Virtual Open House

Join us at our next virtual Open House on Thursday, October 22nd at 5:00PM to see if Allendale Columbia School is the right fit for your family! As part of our school-wide effort to maintain and practice responsible social distancing, our next Open House will be held virtually through Zoom. Open House attendees will have the opportunity to ask questions and hear from Interim Head of School Shannon Baudo as well as our Division Heads. Attendees will also be notified as soon as AC’s campus re-opens for visitors so we can schedule your in-person campus tour and playdate!

Register for Open House


AC Little School

Allendale Columbia School is growing! We are excited to announce the AC Little School, our newest full-day program for children 18 months – 3 years-old, will open this fall! SPACES ARE LIMITED, so be sure to apply early!

Learn more & apply today


Online Inquiry

Submit an online inquiry to learn more about AC! A member of our admission staff will reach out to you by phone or email and will be happy to provide you with additional information and materials.

Submit an online inquiry


Click the image to download the AC viewbook

Apply Online

Ready to apply to AC?

Start your online application now!

Application Checklist

  1. We look forward to talking with you about the educational options for your son or daughter. We are here to guide you through the process, so please call us, email us, or complete an online inquiry form. When you contact us, we will schedule a visit for you to tour the campus and talk with a member of the Admissions team. If you prefer to apply immediately, skip to the next step.
  2. Complete and submit our online parent application.
  3. Submit a student application (grades 4-12).
  4. Request records to be sent to AC from your current school (applicants to grades pre-kindergarten – grade 12). You do this by completing our Records Release Form and submitting it to your child’s current school.
  5. Request teacher recommendations to be sent to AC from your child’s current or most recent teacher(s). We require one teacher recommendation for applicants to nursery through grade 5. We require two teacher recommendations for applicants to grades 6 – 12. All teacher recommendations and admissions materials are available on the downloadable resources page.
  6. Schedule a student visit during a school day to help your child become familiar with the campus and our offerings; we will offer the admission assessment at this time too.
  7. Priority decisions are mailed to families who have submitted complete applications by January 31st.

Curious if there is space available in a given grade? Have other questions? Please contact us at 585.641.5344 or

For more details about the application process, we have checklists for each division:
Pre-Primary Checklist| Lower School Checklist | Middle School Checklist | Upper School Application Checklist

To view our Title IX Compliance Policy Statement, click here.

International Students

Join our community of global learners. Each year we have 25-35 international students from as many as 15 different countries and 4 continents.  You will be among diverse, smart, talented students at Allendale Columbia School.  We offer 17 AP courses, an excellent college-preparatory curriculum, the opportunity for internships, May Term, and a welcoming community that feels like an extended family.  AC has an experienced college adviser who has visited over 170 colleges and universities.  Our students consistently attend some of … 
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From Our Blog

Downloadable Resources

With links to Admissions Forms, Curriculum Guides, Health Forms, the Dress Code, Supply Lists and everything in-between, this page has all the info you and your family need to prepare for a year at AC. 
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