Home Welcome to the ISSO About Services I want to paste icon Apply for an I-20 address-card icon Apply for a Student Visa users icon Apply for Employment Authorization (CPT/OPT/AT) credit-card icon Apply for a Social Security Number listl icon Maintain Student Status pencil icon Obtain a Travel Signature or I-20/DS-2019 Reprint paper-plane icon Visa and Travel Information dollar icon Tax Forms and Returns Contact Us We are here to help! Click on the office that serves you to find hours, location, and contact information. ISSO Morningside -- Admitted Student Services (Pre-Arrival) Serving schools located on the Morningside Campus. ISSO Morningside -- Student Services Serving schools located on the Morningside Campus. ISSO Morningside and Manhattanville -- Faculty & Scholar Services For schools located on Morningside & Manhattanville Campuses. ISSO-CUIMC -- Student and Scholar Services Serving schools located on the Irving Medical Center Campus (CUIMC). Events All Events (Both ISSO Sponsored and External) NEWS August 08, 2022Message from University Life: Getting Ready for the Fall TermMarch 29, 2022Tax Filing InformationFebruary 25, 2022President Bollinger's Statement on the Invasion of UkraineJanuary 27, 2022Travelers to the U.S. Require Proof of VaccinationDecember 28, 2021Waiver of Visa Interviews Through December 31, 2022 More News Video Library Post-Completion Optional Practical Training (OPT) for F-1 Fall 2022 GraduatesCUIMC: Public SafetyCUIMC: Health on Haven Presentation More Video Search Your question might already be answered on our website. Search Now Follow Us instagram icon Instagram facebook-square icon Facebook twitter-square icon Twitter youtube-play icon YouTube International Student/Scholar/Alumni Spotlights Read stories about our amazing international community! Lien Van Geel, Early Career Fellow at the Rank of Lecturer in the Discipline of Classics Ajay Vanamali, Graduate Student in Electrical Engineering This could be you! Submit today! Browse Services by Audience Students Scholars (Professors and Researchers) Department Administrators Dependents (Spouses and Children) WHAT'S ON THIS SITE map-marker icon Getting Started suitcase icon Employment plane icon Visas and Travel check-square icon Maintaining Your Status file icon Tax Information group icon For Departments Columbia by the Numbers To see detailed statistics, visit our Statistics page. We have more than 17,000 international students and scholars. 145 countries are represented.