Administration

Kathleen Zimmermann

Executive Director

Kathleen Zimmermann became the Executive Director of NYOS Charter School in 2009. Before joining NYOS, Kathleen spent many years in education, operations, and financial management roles. Kathleen holds a Masters in Business Administration from Harvard Business School and a Bachelor of Science degree from Georgetown University in Washington, D.C.

Julie Atchley
Director of Academics

Julie Atchley joined NYOS Charter School in 2005 and served as the middle school/high school principal for seven years. She has more than 25 years of experience in education and 19 years in administrative leadership. Julie holds a Master’s degree in Educational Administration from Texas State University and a Bachelor of Science degree in Education from Oklahoma State University.

Terry Berkenhoff
Elementary Principal

Terry Berkenhoff joined the NYOS Charter School community in 2007 as the Elementary Principal. Throughout her professional career she has served in a variety of roles including classroom teacher, curriculum specialist, assistant principal and principal. She holds a Master’s degree in Educational Administration from Concordia University and a Bachelor of Science degree in Curriculum and Instruction from Texas A&M University.