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POTOMAC SCHOOL
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Douglas McLane
Head of Upper School
Mary Muldowney Jarratt
Robotics Instructor - 9th - 12th Grade
Helen Butler
Administrative Assistant to the Head of the Upper School
Charaun Wills
Lead Diversity, Equity And Inclusion Coordinator & Upper School Science Teacher
Lee Brewster
Violin/viola Faculty
+ 1 more
August, 2011 - present
