Schools
Interim Principal Appointed For Westfield Elementary School
Dr. Jill Sack will serve as the interim principal of McKinley Elementary School until the district finds a permanent replacement.

WESTFIELD, NJ — As the district searches for a new principal for McKinley Elementary School, Westfield's Board of Education approved the appointment of Dr. Jill Sack as Interim Principal at its meeting on Tuesday.
Sack, a retired educator with 37 years of experience, will begin as principal effective Jan. 1 and continue through June 30, 2023.
Former McKinley Principal Dr. Marc Biunno's resignation was approved at Tuesday's meeting after he took on the role of director of curriculum and instruction in another school district.
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"As interim principal, I intend to provide support and stability to the McKinley school community," Sack said. "My goal during my time at McKinley is for all students to thrive academically, socially, and emotionally."
Sack served 12 years as a middle and elementary school administrator and 22 years as an
elementary and middle school teacher. Most recently, she retired in Aug. 2021 as principal of
Buzz Aldrin Middle School, a STEM Magnet School in Montclair and has been serving as a University Teacher Mentor at Montclair State University.
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In addition, Sack holds two advanced degrees from Seton Hall University in Educational Administration and Supervision, a Doctor of Education (Ed.D.) and an Education Specialist (Ed.S.). She received a Master of Arts in Educational Psychology from Montclair State University and a Bachelor of Arts in Elementary Education from American University in Washington, D.C., with a minor concentration in psychology.
"We are very fortunate to have an administrator of Dr. Sack’s caliber available to fill this interim
position for the remainder of the school year," said Superintendent Dr. Raymond González. "Dr. Biunno will hold a number of planning sessions with Dr. Sack and feels very confident in her ability to lead McKinley during this period of transition."
Biunno also has scheduled a series of opportunities for the McKinley school community to meet
the new interim principal.
"I am looking forward to getting to know the McKinley students, staff, and families. I want every child to thoroughly enjoy their time in an engaging and nurturing learning environment,” Sack said. "I would love to see students who just can’t wait to get to school each morning."
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