Nisa Frank, Head of School, joined Prospect Sierra in 2019 after serving as the Head of Lower School at The Hamlin School in San Francisco. Prior to her tenure at The Hamlin School, Nisa was the Assistant Head of Preschool and Lower School at Packer Collegiate Institute in Brooklyn, New York. Nisa taught 2nd grade for seven years at The Town School in New York, NY, where she also served on the Board of Trustees before becoming the Director of Admission at Waterside School in Stamford, Connecticut. Nisa also serves on the boards of Aspire Public Schools and the Bay Area Teacher Training Institute. Nisa holds a BS in child and adolescent development from San Francisco State University, an M.S. Ed. in early childhood education from Bank Street College of Education, and a M.S. Ed. in private school leadership from Teachers College at Columbia University (Klingenstein Center).