Goal achievement represents one of the most important indicators of academic and personal success among university students. Achieving educational and career goals requires not only intellectual ability but also a combination of behavioral competencies that enable students to plan effectively, regulate their actions, remain motivated, and adapt to changing academic demands. Behavioral determinants such as self-regulation, time management, goal commitment, persistence, learning discipline, and behavioral adaptability have emerged as critical factors influencing students\' ability to accomplish both short-term and long-term objectives. Understanding the influence of these behavioral determinants is essential for designing educational strategies that promote student success and lifelong achievement. The present study investigates the influence of behavioral determinants on goal achievement among university students using a quantitative cross-sectional research design. Data were collected from 250 respondents through a structured five-point Likert scale questionnaire and analyzed using descriptive statistics, Pearson correlation analysis, and multiple regression analysis. The findings indicate that behavioral determinants significantly enhance goal achievement by strengthening self-regulation, persistence, learning discipline, and adaptive learning behavior. The study concludes that behavioral competencies play a central role in promoting academic performance and sustainable personal development. The findings provide practical implications for educators, university administrators, counselors, and policymakers seeking to improve student success through behavioral development initiatives.