The former LMS Vice Principal will take over for Dr. Nicholas Bernice, who will leave the district in August to become superintendent of Ringwood's school district.
Saco worked for the Passaic Board of Education for 15 years before coming to Leonia in 2011.
"Congratulations to David and best wishes are sent for a continued successful career with the Leonia Public Schools," the Leonia district wrote on its website.
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