U.S. Universities Advise International Students to Return Before September 15 Due to New Immigration Rules

American universities, including Harvard, Columbia, and Ohio State University, are urging international students to return to the U.S. before September 15, 2026. This advisory comes in response to new immigration rules that could affect the terms under which F-1 and J-1 visa holders are admitted and allowed to remain in the country. The changes include a fixed period of admission and a reduced grace period after program completion, potentially impacting students who leave and return after the deadline.