High School


List of 10 members.

  • Ms. Celeste Herrera 

    Assistant Head of School for Academic Administration and High School Director
    University of North Carolina--Chapel Hill - B.A.
    University of Pennsylvania - M.S.Ed.
  • Dr. Wendy Hirsch 

    Assistant Director of the High School and Dean of Faculty and Curriculum
    Northwestern University - B.A.
    Columbia University - Ph.D.
  • Nicholas Lechich 

    Assistant High School Director, Dean of Students
    Bowdoin College - B.A.
    University of Pennsylvania - M.S.Ed.
  • Terrill Caplan 

    Assistant Dean of Students
    Skidmore College - B.A.
  • Jeff Slack 

    MS/HS Finance Manager, House Advisor
    Drexel University - B.S.
  • Theadora Gersten 

    High School Office Manager
    University of Michigan - B.A.
    Benjamin Cardozo School of Law - J.D.
  • Charles Forster Stewert 

    High School Assistant Director for Operations
    University of Pennsylvania - B.A.
    French Culinary Institute - Diplome de Boulanger
  • Will Hummel 

    Director of College Counseling
    Pomona College - B.A.
  • Lynn Riggio 

    Middle and High School Nurse and Director of Health Services
    Albert Einstein Medical Center School of Nursing
    University of Delaware
  • Josie Diaz 

    High School Psychologist
    Teachers College, Columbia University - Ph.D.
High School Office
(212) 423-5526

Attendance Hotline
(212) 423-5490
To report absences, lateness or early dismissal information
24 hours a day.

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Middle and High School (Grades 4-12) Administration, Development, and Alumni
108 East 89th Street (Between Lexington and Park Avenues) 
New York, NY 10128
(Grades K-3) 53 East 91st Street
New York, NY 10128
General: (212) 423-5200 | Admissions: (212) 423-5463
General: info@dalton.org | Admissions: fpadmissions@dalton.org

(Gr. 4 Dalton East & PE Center) 200 East 87th Street
New York, NY 10128
General: (212) 423-5200 | Admissions: (212) 423-5361
General: info@dalton.org | Admissions: admissionsmshs@dalton.org

(Grade 5-12) 108 East 89th Street
New York, NY 10128
General: (212) 423-5200 | Admissions: (212) 423-5262
General: info@dalton.org | Admissions: admissionsmshs@dalton.org