Mount St. Mary's College California recorded a Regular Decision acceptance rate of 68.7% for the application year 2024, with 1,715 applicants and 1,179 accepted. This represents a significant drop from the previous year’s acceptance rate of 79.6% in 2023, where 2,173 students applied and 1,728 were admitted. Historical data for earlier years is not available, but the noticeable decline from 2023 to 2024 highlights an increasingly competitive admission landscape.