Meet the Admissions Team

Amy Jablonski

Amy Jablonski, Director of Admissions and Enrollment

Drawn not only to girls’ education but specifically to Hewitt’s commitment of valuing the individual girl, Amy was thrilled to join the Hewitt admissions team in the fall of 2012. She began at Hewitt as the assistant director of lower school admissions, focusing primarily on kindergarten admissions. She later took over the middle and upper school admissions program and was appointed director of admissions in 2014. Amy feels privileged to work with such a dynamic, passionate, and compassionate admissions team.

Prior to Hewitt, Amy served in the Admissions Office at Blair Academy, her alma mater, where she traveled extensively recruiting a diverse student body, coached field hockey and lacrosse, served as an advisor, and was an assistant house master in a junior and senior girls dormitory.

Amy is a graduate of Barnard College, class of 2003, where she majored in English with a concentration in American literature and where she played lacrosse for the Columbia University Lions. Amy has a deep love of the mountains and is an avid skier in her free time.

Katharine Hallock Poznyakov

Katharine Hallock Poznyakov, Associate Director of Admissions for Lower School

Katharine joined The Hewitt School in 2015 as a kindergarten teacher. Since then she has been a kindergarten teacher and grade level coordinator and currently serves as associate director of admissions for lower school. Katharine was drawn to Hewitt’s inspired faculty, warm community, and robust curriculum. 

Katharine delights in working in an environment that focuses on research-driven instruction for girls. She was thrilled to present at a recent National Coalition of Girls Schools and National Association of Independent Schools Educating Girls Symposium, where she spoke about collaborating with parents to foster a growth mindset in girls at home and at school. Katharine enjoys applying her classroom experience and understanding of girl-centric learning to her role on the admissions team.
Prior to joining Hewitt, Katharine taught kindergarten through third grade and served on admissions teams at independent schools in New Jersey and Philadelphia. She holds a master's degree in elementary education from the University of Pennsylvania, and a Bachelor of Science in Public Relations from the S.I. Newhouse School of Public Communications at Syracuse University.




Lisa Chu

Lisa Chu, Assistant Director of Admissions for Middle School

Lisa joined The Hewitt School in 2003 and enjoys interacting with families as she helps guide them through the admissions process. As the assistant director of admissions for middle school, Lisa takes pleasure in speaking with prospective middle school families about Hewitt’s mission of empowering girls and young women. 

One of Lisa’s favorite things about working in admissions is conveying the warmth and passion of the Hewitt community. She is proud to work at a school that gives every student the opportunity to find her own unique sense of purpose. It was this community that attracted Lisa to Hewitt over 14 years ago, and that continues to inspire her to be her best self. 
A graduate of SUNY Albany, Lisa holds a bachelor’s degree in English with a minor in psychology. Before coming to Hewitt, Lisa worked in the advertising industry in media planning. She is an avid runner and the mother of two children whose baseball games and tennis matches keep her busy!


Jennifer Hickman

Jennifer Hickman, Assistant Director of Admissions for Upper School

Jennifer joined the admissions team in 2018, and she is thrilled to share Hewitt's mission and vision for young women with prospective upper school families. As the assistant director of admissions for upper school and the graduate of a girls' high school, Jennifer understands the positive impact that a single-sex education can have in shaping future women leaders and realizing one's highest potential. 

Prior to coming to Hewitt, Jennifer worked in administrative positions at Teachers College, Columbia University, and at the J. Paul Getty Museum. She has also served as an assistant teacher for middle school students through the Journeys Into American Indian Territory museum program and as a writer and research editor at a variety of magazines. 

Jennifer holds a bachelor’s degree in women's studies from Occidental College, a master's degree from NYU in humanities and social thought, and a master's from Teachers College, Columbia University in clinical psychology. Her personal interests include researching wellness and mind-body medicine practices and exploring museums and nature. Jennifer's two children fill her days with activities and joy.