Columbia will replace its universitywide commencement ceremony on May 15 with “smaller-scale, school-based celebrations,” university officials announced Monday, after weeks of pro-Palestinian and counterprotests on campus.

The Ivy League school said the decision was made after discussions with student leaders. Security concerns were a main reason behind the decision, a university official told NBC News.

“Our students emphasized that these smaller-scale, school-based celebrations are most meaningful to them and their families,” the university said Monday. “They are eager to cross the stage to applause and family pride and hear from their school’s invited guest speakers. As a result, we will focus our resources on those school ceremonies…