The Online Enrollment System was proposed for the enhancement of the current enrollment system of Liceo de Cagayan University. The study aimed at creating a system that would provide another option for enrolling and that would compensate for the school’s lack of manpower and time-consuming system. The database of the system is the dbEnrollment. It contains many tables and stores information such as student’s academic records, secretary’s files and records, class schedules, pre-requisites, subjects, curricula and other essential data needed in the system. The proposed system caters to old, freshmen, transferees and shiftees with the following services: subject evaluation, posting of grades, viewing of curriculum, add and update profile. The system lessens the enrollment time, speeds up file management, and minimizes inaccuracies and errors.