High School

Directory

List of 16 members.

  • Celeste Herrera 

    Director of the High School
    (212) 423-5525
    University of North Carolina--Chapel Hill - B.A.
    University of Pennsylvania - M.S.Ed.
  • Wendy Hirsch 

    Assistant Director of the High School and Dean of Faculty
    (212) 423-5524
    Northwestern University - B.A.
    Columbia University - Ph.D.
  • Nicholas Lechich 

    Assistant High School Director, Dean of Students
    (212) 423-5528
    Bowdoin College - B.A.
    University of Pennsylvania - M.S.Ed.
  • Lisa Stifler 

    Director of Individualized Student Programs
    (212) 423-5327
    Bates College - B.A.
    University College, Dublin - M.A.
  • Jeffrey Slack 

    Registrar and House Advisor
    (212) 423-5527
    Drexel University - B.S.
  • Terrill Caplan 

    Assistant to the High School Director and Debate Team Advisor and House Advisor
    (212) 423-5526
    Skidmore College - B.A.
  • Alexis Kipper 

    Assistant to Francee Sugar and Coordinator of Grade Level Events
    (212) 423-5427
    Teachers College - M.A.
  • Arlo Klinger 

    Educational Technologist and Coordinator of Senior Year Events
    (212) 423-5277
    State University of New York, Cortland - B.S.
    C. W. Post College - M.S.
    Teachers College, Columbia University - M.Ed.
  • Lillian Redl 

    High School Preceptor and Coordinator of Senior Year Events
    (212) 423-5290
    Duke University - B.S.
    Teachers College, Columbia University - M.A.
  • Andy Ramirez 

    Director of College Counseling
    (212) 423-5413
    Williams College - B.A.
  • Will Hummel 

    Associate Director of College Counseling
    (212) 423-5531
    Pomona College - B.A.
  • Lisa Waller 

    Assistant Head of School for Progressive and Inclusive Practice
    (212) 423-5260
    Oberlin College - B.A.
    Duke University - Ph.D.
  • Francee Sugar 

    Director of Learning Support Services, K-12
    (212) 423-5529
    Connecticut College - B.A.
    The Union Institute - M.A.
  • Josie Diaz 

    High School Psychologist
    (212) 423-5256
    Teachers College, Columbia University - Ph.D.
  • Lynn Riggio 

    Middle and High School Nurse and Director of Health Services
    (212) 423-5276
    Albert Einstein Medical Center School of Nursing
    University of Delaware
  • Natalie Sanchez 

    Coordinator of Service Learning and Special Projects
    (212) 423-5264
    Hamilton College - B.A.
High School Office
(212) 423-5526
hs_office@dalton.org

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

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See also, Faculty and Staff Directory

Middle and High School (Grades 4-12) Administration, Development, and Alumni
108 East 89th Street (Between Lexington and Park Avenues) 
New York, NY 10128
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