This report focuses on the object modelling validation phase for a student enrollment system at National University. It begins with an introduction to system design and the importance of user experience, emphasizing the use of storyboards for visualizing user interactions. The report details the creation of storyboards for various stages of the enrollment process, from student registration and login to course selection, payment, and details confirmation. Each storyboard step is illustrated and explained, providing a clear understanding of the user interface. The report also includes a discussion of a drill-down report, explaining its benefits in providing detailed insights into enrolled students and course data. The drill-down report allows university management to analyze enrollment trends and student demographics, supporting data-driven decision-making. The report concludes with a validation of the system design, demonstrating how the storyboards and drill-down reports contribute to a comprehensive and user-friendly enrollment system.