Caltech's Regular Decision acceptance rate for the Class of 2028 stands at a mere 2.3%, with 296 students admitted out of 13,054 applicants. This marks a decrease in competitiveness compared to previous years, where the acceptance rates were 2.7% for both the Classes of 2027 and 2026. The trend over the last decade shows a significant decline from 8.9% in 2016, highlighting the increasing selectivity and intensity of the admissions process at Caltech.