Caltech's Early Action acceptance rate for the application year 2024 stands at 2.4%, with 19 of 809 applicants admitted. This continues a trend of decline, as the acceptance rates have dropped from 6.4% for both the application years 2020 and 2019 to the current rate. The decline is notable over several years, with rates of 4.0% in 2021 and 2.7% in both 2022 and 2023, indicating increasing competitiveness among EA applicants.