Ava Lafler, 5, of East Yaphank, with help from her mom, Meridith, prepared for her first day of kindergarten at Charles E. Walters in Yaphank. Ava was one of more than 150,000 students returning to school Tuesday to begin the 2018-19 academic year in 47 of Long Island's 124 public school districts. Credit: Newsday / Raychel Brightman

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