| Head of School: Nancy Heuston |
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| Assistant Head of School: Marcel Gauthier |
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| Assistant to Head of School: Lee Bromley |
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| Director of Admissions: Todd Winters |
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| Director of Finance: Greg Miles |
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| Director of Communications: Andrew Patteson |
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| Director of Development: Kate Edwards |
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| Director of Major Gifts: Don Hill |
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| Director of Annual Giving: Rachel Schmidt |
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| Director of Alumni and Events: Melinda Pelo |
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| Director of Educational Technology: Peter Leeman |
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| Director of Information Technology: Darren Beck |
| Dean of Academics: Charles Rosett |
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| Department Chair, English: Mary Powers |
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| Department Chair, History: Ken Wade |
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| Department Chair, Math: Tom Brennan |
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| Department Chair, Science: James Harris |
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| Department Chair, Foreign Language: Ann Marie Peterlin |
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| Department Chair, Computer Science: Steve Manning |
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| Department Chair, Fine Arts: Nathan Florence |
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| Department Chair, Music: Cherilyn Worthen |
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| Department Chair, Dance: Janalyn Memmott |
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| Department Chair, Theatre: Javen Tanner |
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| Department Chair, Physical Education: Craig Morris |
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| Department Chair, Library: Nancy Nebeker |
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| Upper School Dean (IX-XII): Matthew Alexander |
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| Class XII Dean: Nathalie Ricci-Whaley |
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| Class X-XI Dean: Matthew Alexander |
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| Class IX Dean: Shawn Orton |
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| Middle School Dean: Andrew Cole |
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| Class VIII Dean: Chris Watkins |
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| Class VII Dean: Lisa Rands |
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| Class VI Dean: Tara Tanner |
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| Lower Schools Director: Mary Kimball |
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| Lead Teacher, Classes III-V: Teri Andrach |
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| Lead Teacher, Classes I-II: Lisa Moon |
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| Lead Teacher, Class N-K: Melinda Zabriskie |
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| Lead Teacher, Specialists: Jay Beck |
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| College Counseling Director: Sari Rauscher |
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| College Counseling Assistant Director: Judith Rasetti |
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| College Counselor: Jan Van Arsdell |