The rapid marketization of the global higher education sector has transitioned the student-institution relationship into a sophisticated consumer-provider dynamic, necessitating a deeper exploration of the underlying psychological drivers of college selection. The article, investigates the intersection of behavioral economics and institutional marketing to decode the decision-making heuristics of prospective students and their families. While traditional recruitment strategies often rely on rational utility models—emphasizing infrastructure, placement statistics, and faculty credentials—this study posits that enrolment is frequently driven by "System 1" processing, characterized by emotional affect, cognitive biases, and social identity signalling. By applying Dual Process Theory and Choice Architecture, the paper analyzes how institutions can strategically design the "choice environment" to influence student perceptions and actions. Key behavioural phenomena, including the Halo Effect of campus aesthetics, Social Proof through alumni narratives, and the impact of Loss Aversion in scholarship deadlines, are examined as pivotal levers in the admission funnel. Furthermore, the research explores the Role of Affective Forecasting, where prospective candidates evaluate institutions based on an imagined future self-concept. The article proposes an integrated Behavioral Enrolment Model that shifts institutional focus from generic information dissemination to personalized, experience-led narratives that reduce cognitive load and decision paralysis. By synthesizing theoretical frameworks with practical strategic applications, the study provides a roadmap for educational administrators to engineer a sense of belonging and institutional fit long before the formal enrolment occurs. Ultimately, the paper concludes that a nuanced understanding of consumer psychology not only enhances recruitment efficiency but also aligns student expectations with institutional reality, fostering long-term academic engagement and ethical persuasion in an increasingly competitive academic landscape.