The Biden administration has launched an investigation into discrimination in New York City’s public school system, the latest in a series of federal probes of antisemitism and Islamophobia at schools across the U.S. this fall. The federal Education Department declined to describe the contours of its investigation into the city Department of Education, but said the investigation began Tuesday and was part of a series of “ancestry investigations.” The probes have focused on complaints of antisemitism and anti-Muslim bigotry, according to the Biden administration. Two of the probes have focused on Columbia University and Cooper Union. The probe into the...