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Who We Are
Learn about the people and values that ground the Buckley community, and how they inspire curiosity, build character, and empower students to grow and thrive in a positive and inclusive environment.
Academics
Discover how each division at Buckley inspires lifelong learners, combing rigorous coursework with hands-on experiences, fostering critical thinking, creativity, and a passion for discovery.
Athletics
At Buckley, our athletics program celebrates teamwork, resilience, and sportsmanship, blending time-honored traditions with opportunities for students to excel on the field and build skills that last a lifetime.
Admissions
At Buckley, we’re here to guide you through every step of the admissions process—from applying to visiting our campus. Join us for an open house or schedule a tour to experience the difference of an Buckley education.
Supporting Buckley
The Buckley community comes together in countless ways to support our school—from volunteering and attending events to contributing to our Annual Fund. Learn about the many ways to get involved and make a meaningful impact on our students’ education – today, and for generations to come..
Helpful Info
Everything you need to stay informed and prepared for the school year. Be sure to check back for updates and resources throughout the year.

Staff Directory

Sumeng Guo

Mandarin Teacher, Grades 5-8, 7th Grade Advisor

sguo@buckleycountryday.com ext. 2203

When I Joined Buckley Country Day School

2016

My Educational Background

Hunter College, B.A.
Hunter College, M.A.

Staff Directory

2 I.U. WILLETS ROAD ROSLYN NY 11576
P: 516 627 1910

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Buckley Country Day School admits students of any race, color, ethnicity, national origin, ancestry, religion, sex, gender identity, gender expression, or sexual orientation to all the rights, privileges, programs, and activities generally available to students at the School. Buckley Country Day School does not discriminate on the basis of race, color, ethnicity, national origin, ancestry, religion, sex, gender identity, gender expression, sexual orientation, age, disability, veteran status, marital status, or any other characteristic protected by law in respect of, without limitation, its educational policies, admission, financial aid, hiring and employment practices, use of school facilities, athletics programs, and other school-administered programs. This policy governs the conduct of all Buckley Country Day School employees including faculty, staff, and summer programs employees