Current students and alumni of Columbia University’s School of International and Public Affairs demonstrated against the school in New York on Saturday, with some ripping up their diplomas.

Columbia University faculty, staff, students and alumni started staging a 25-hour speak out Monday. They say they are doing it in defense of academic freedom, to protect student safety ...

Instead of joining in Columbia University’s annual “Alumni Day” celebrations for the School of International and Public Affairs, several alumni gathered to denounce the school by ripping up ...