The Trump administration's recent actions to deport foreign students over political protests are raising concerns among college leaders and advocates about the impact on U.S. enrollment numbers. International students contributed $43.8 billion to the U.S. economy last year, demonstrating their importance. Republican senators support these actions citing national security, but critics argue this creates a chilling effect, threatening the First Amendment rights of students. Many universities now face uncertainty as students have had their visas revoked unexpectedly, with some fearing this could deter future international students from pursuing education in the U.S.