About Léman

New York City's Most Dynamic Learning Community

Located in Manhattan's most historic neighborhood, Léman Manhattan provides students with a rigorous academic program in the most dynamic, international education setting in the world. We are home to nearly 800 students ranging from 16 months old to grade 12, and New York City's only boarding program.

Léman offers the International Baccalaureate Diploma Program, recognized as the gold standard in college preparatory curriculum, and highly respected by top universities worldwide. Léman graduates are engaged global citizens and confident leaders with a sense of purpose.

Mission & Values

As an international learning community, Léman provides an inclusive environment that prepares students for academic success, and to be knowledgable, caring, and collaborative individuals.

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History & Tradition

As one of the first ongoing, independent schools to serve Lower Manhattan, Léman has a long-standing history as a neighborhood school with a global perspective. Our beloved traditions reflect our vibrant student body and our location among NYC's most culturally-rich landmarks.

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International Baccalaureate World School

Recognized as the gold standard in college preparatory curriculum, the International Baccalaureate (IB) nurtures inquiry and curiosity, while building knowledge across a range of disciplines. IB students are highly sought after by selective colleges and universities.

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Leadership & Faculty

Our team is an accomplished group of educators committed to each student's success. More than 80% of Léman faculty hold advanced degrees and credentials in their fields.

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Léman Community Association

The Léman community is comprised of engaged parents who support the school through events, volunteering, and fundraising. The LCA, our non-profit parent organization, spearheads community-building activities that enrich the experiences of Léman students, parents and faculty.

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Welcome From the Head of School

Hear from our Head of School Maria Castelluccio, a 30-year administrator and mother of four children, about how our academic program builds the next generation of independent thinkers and principled global citizens.

Meet Maria Castelluccio

Our Campuses

Léman is located in New York City's most historic neighborhood and fastest-growing residential area, the Financial District. Just steps from landmarks including the New York Stock Exchange and Federal Hall, and only a short walk from family destinations such as Brookfield Place and the South Street Seaport, Léman is situated at the crossroads of American history and 21st century culture and innovation.

Our proximity to Lower Manhattan's tremendous cultural resources extends learning beyond the classroom. Our campuses, housed in two historic buildings, offer unrivaled facilities with world-class academic, athletics, arts, performance, and culinary spaces.

Recent News

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February 12, 2018

Léman Chess Players Score Big in Local Tournament

On Sunday, February 4, a group of nine Center For Early Childhood Education and Lower School students participated in a tournament hosted by the NYC Knights, PS 41's chess club.

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February 12, 2018

Students Gain New Perspective on Black History Month

February is Black History Month and the Upper School Social Studies Department is exploring this important topic in different ways.

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February 12, 2018

Celebrating Global Citizenship at the International Festival

Excitement, internationalism, and the smell of delicious food is still in the air from the International Festival, an annual event hosted by the LCA in the Broad Street Ballroom.

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Recent Press

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October 2017 / RiseAgainstHunger.org

800 Students Gather On World Food Day To Package 100,000+ Meals For Disaster Relief

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October 2017 / CityBizList.com

On World Food Day, 800 Local Students Packed 100,000 Meals to Aid in Hurricane Relief

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September 2017 / MommyPoppins.com

Léman Manhattan Launches a New "Grown-Up and Me" Toddler Program

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