More than 90,000 ofNew York City’s elementary school students — roughly 20 percent — missed at least a month of classes during the last school year, with attendance problems most acute in central Brooklyn, Harlem and the South Bronx. A report by the Center for New York City Affairs at the New School says attendance was worse in higher grades — 40 percent of high school students and 24 percent of middle school students were absent for at least a month — but the report focuses on elementary schools because absenteeism among young students is less widely discussed. To read The New York Times article, click here.