New England news in brief
Deputy superintendent leaving public schools
One of Superintendent Tommy Chang's top deputies is leaving the school system at the end of this school year. Karla Estrada, deputy superintendent of academics and student support services, sent a letter to the school community Wednesday announcing her departure. "Although this was a tough decision, I know that this is the right time for me to spend with my family and explore professional opportunities," Estrada wrote. "Under Dr. Ch...