How should I compare whether UC San Diego or Duke is worth the cost?

Start with the net price, not the published price: subtract grants and scholarships, then compare the four-year family contribution, federal loans, and any private borrowing required. If choosing Duke would require substantial parent loans, private loans, or debt that would constrain graduate school, career flexibility, or family finances, UC San Diego is likely the more responsible value. UC San Diego can provide an outstanding education and strong access to research, especially in STEM, health sciences, data-oriented fields, and the Southern California innovation economy.

Duke’s premium can be easier to justify for a student who will actively use a smaller undergraduate environment, close faculty access, residential campus life, intensive advising, and a highly engaged national alumni network. Its private-school resources may be especially meaningful for students seeking structured support for selective internships, preprofessional exploration, research mentorship, or fields where networking and campus recruiting carry unusual weight.

UC San Diego may fit a more independent student who is excited by a large research university, wants broad course and lab options, and is comfortable taking initiative to find professors, organizations, and internships. Its scale can be an advantage for someone drawn to engineering, computer science, biology, public health, oceanography, or research, while the lower cost can preserve options for a master’s, PhD, medical school, entrepreneurship, or an unpaid early-career opportunity.

Put the price difference into concrete terms. Calculate what it would cost per year and what that money could otherwise fund, such as graduate school, savings, or reduced work obligations. Then compare each school’s programs in your likely major, undergraduate research access, career outcomes for roles you actually want, and the day-to-day environment where you would be most motivated. A large price gap needs a specific reason, not simply Duke’s name or prestige, to be worth taking on.