Dear University of Washington students, Summer 2026 registration begins Thursday, April 16, 2026. To get started with registration, review your academic plan for Summer 2026 and seek guidance from an adviser if you need assistance. Then, log in to Register.UW and complete your pre-registration steps before your registration start date. Prepare for Registration Check the 2025-2026 Academic Calendar and view the Period I Registration Dates for Summer 2026. Gain a better understanding of the factors that determine your registration date….