Author: Michael Elsen-Rooney, Amy Zimmer

Sign up for Chalkbeat New York’s free daily newsletter to get essential news about NYC’s public schools delivered to your inbox.Three months in detention have taken a toll on Dylan Lopez Contreras, the New York City student arrested by federal immigration agents in May. But letters from his classmates have been a balm, he said in an interview with Chalkbeat, the first he’s given since his arrest.“The letters I have received and the support I’ve been given have kept me going,” the 20-year-old said in Spanish, responding to questions in writing through his attorneys at the New York Legal Assistance…