National College Decision Day, also known as College Signing Day, is the first day of May each year. On this day, high school seniors who applied and were accepted into one or more colleges must confirm their enrollment with the school of their choice. This confirmation is usually attached to an enrollment deposit. It’s the culmination of your hard work and dedication researching schools, taking entrance exams, touring campuses, writing essays, submitting your applications, and eagerly awaiting acceptances. Keep reading for some tips on what comes next.