Charter school enrollment grows by 17% on Staten Island, data shows Updated Feb 09, 2021; Posted Feb 09, 2021 Enrollment has increased dramatically at charter schools on Staten Island. This file photo shows a student learning at Bridge Preparatory Charter School in Sunnyside, which is dedicated to meeting the needs of students who have dyslexia and other language-based learning difficulties. (Staten Island Advance/Annalise Knudson) Facebook Share STATEN ISLAND, N.Y. — Enrollment among Staten Island’s six operating charter schools has increased substantially — by 17% — during the 2020-2021 school year compared to the year prior — as public school enrollment declines citywide, preliminary data from the New York State Education Department shows.