Purdue University is at the center of campus and congressional scrutiny after reports surfaced that dozens of offers to Chinese students were rescinded following warnings from legislators. Students and faculty allege an unofficial policy of rejecting applicants from China and other nations; Purdue officials say no formal ban exists. The episode follows wider pressure on U.S. campuses to sever research ties with certain foreign partners and reflects growing politicization of international student admissions. If true, an informal screening regime would raise legal and accreditation questions about nondiscrimination and fair-admissions practices. Higher-education leaders and international offices are monitoring the fallout closely: reputational damage, regulatory inquiries, and diplomatic friction could complicate enrollment recovery strategies at public research universities that rely on international tuition and talent.