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The Dalton School's Overview

Total employees487
HeadquartersNew York
Founded1919

The Dalton School is an independent, co-educational day school (Kindergarten through Grade 12) located in Manhattan, New York City. Founded in 1919 by Helen Parkhurst, it is internationally recognized for the Dalton Plan, an educational model that champions student agency, intellectual curiosity, and collaborative learning. The school aims to develop well-rounded individuals prepared for a complex world through a rigorous academic program, rich arts and athletics offerings, and a commitment to community and ethical responsibility.

Where is The Dalton School's Headquarters?

HQ Function

Primary academic facility for Middle School (grades 4-8) and High School (grades 9-12), housing central administrative offices, libraries, arts and athletic facilities, and embodying the core principles of the Dalton Plan.

Notable Features:

Historic 1929 building designed by Robert W. Sexton, specialized 'Lab' classrooms for each subject, the Martin Theater, the 'Little Theater,' multiple libraries, extensive art studios, science laboratories, and unique 'House' rooms central to the Dalton Plan.

Work Culture:

For faculty and staff, it's a collaborative and intellectually stimulating environment focused on student-centered learning, pedagogical innovation, and fostering a strong sense of community. The culture reflects the Dalton Plan's emphasis on responsibility, independence, and cooperation.

HQ Significance:

The 89th Street building is the historic home of the Dalton Plan, an influential progressive educational philosophy. It stands as a significant institution in New York City's independent school landscape and a beacon of innovative education.

Values Reflected in HQ: The architecture and layout, with its distinct 'House' rooms (homerooms), 'Labs' (subject-specific classrooms where teachers hold 'office hours'), and communal spaces, directly reflect the Dalton Plan's core values of independence, responsibility, collaboration, and respect for individual learning styles.

Location:

The Dalton School cultivates a global perspective through its curriculum, diverse student body, and various global programs. These include international exchange opportunities for students and faculty, participation in global conferences like Model UN, integration of global issues into coursework, and fostering language learning. The school aims to prepare students to be informed and engaged global citizens.

Street Address:

108 East 89th Street

City:

New York

State/Province:

NY

Country:

USA

The Dalton School's Global Presence

New York, NY, USA

Address: 53 East 91st Street, New York, NY 10128

Dedicated campus for early childhood education within The Dalton School system, located near the main 89th Street building in Manhattan's Upper East Side.

New York, NY, USA

Address: 200 East 87th Street, New York, NY 10128

A specialized athletics and physical education facility supporting the school's comprehensive K-12 program, located a short distance from the main academic buildings.

Buying Intent Signals for The Dalton School

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of The Dalton School

As of April 2025, The Dalton School' leadership includes:

José M. De Jesús - Head of School
Ellen C. Stein - Associate Head of School
Jim Zulakis - Chief Financial and Operations Officer
Sylvie M. Anglin - Director of High School
Charles S. Clough, IV - Director of Middle School
Amy J. Jablonski - Director of First Program
Nicole A. Wilson - Director of Diversity, Equity, Inclusion, and Belonging

Investors of The Dalton School

The Dalton School has been backed by several prominent investors over the years, including:

The Dalton School operates as a non-profit, 501(c)(3) educational institution. It is governed by a Board of Trustees and primarily funded through tuition, income from its endowment, and philanthropic contributions from alumni, parents, and friends of the school.

Executive New Hires/Exits in the Last 12 Months

Hire3
Exits2

During the 2023-2024 academic year, The Dalton School welcomed key new leaders, including new Directors for its High School and First Program, and appointed its inaugural Director of Diversity, Equity, Inclusion, and Belonging, reflecting a continued commitment to strengthening its educational leadership.

Departures

Dom Repetto, Dom Repetto concluded his tenure as Director of High School at the end of the 2022-2023 academic year.
Joanna Ro, Joanna Ro completed her service as Director of First Program at the end of the 2022-2023 academic year.

New Appointments:

Sylvie M. Anglin, Sylvie M. Anglin was appointed as the new Director of High School, beginning her tenure in July 2023.
Amy J. Jablonski, Amy J. Jablonski joined as the new Director of First Program in July 2023.
Nicole A. Wilson, Nicole A. Wilson was appointed as the inaugural Director of Diversity, Equity, Inclusion, and Belonging, starting in July 2023.

Technology (Tech Stack) used by The Dalton School

Discover the tools The Dalton School uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

The Dalton School Email Formats and Examples

The Dalton School typically uses a standard email format for its faculty and staff, commonly combining the first initial and last name.

[first_initial][last_name]@dalton.org

Format

jdoe@dalton.org

Example

90%

Success rate

News and media

The Dalton School Website NewsMarch 14, 2024

The Dalton School Senior Wins Top Award in Regeneron Science Talent Search 2024

A Dalton School senior, Thomas Cong, was awarded the $250,000 top prize in the Regeneron Science Talent Search 2024, the nation’s oldest and most prestigious science and math competition for high school seniors. His winning project focused on the rapid genetic diagnosis of diseases by studying the causes of severe, unexplained inflammatory diseases....more

The Dalton School Website NewsFebruary 23, 2024

The Dalton School Model UN Team Shines at Penn's Ivy League Model UN Conference

The Dalton School's Model UN team achieved significant recognition at the 40th Ivy League Model United Nations Conference (ILMUNC XL) hosted by the University of Pennsylvania. Students received multiple awards, including Best Delegate and Outstanding Delegate, for their diplomatic skills, in-depth research, and collaborative problem-solving....more

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