Mount St. Mary's College California recorded an Early Action acceptance rate of 68.7% for the application year 2024, with 1,715 applicants and 1,178 admitted. This marks a significant decline from the 79.6% acceptance rate in the previous year, 2023, where 2,173 students applied and 1,728 were accepted. There is limited historical data available prior to 2023, indicating a potentially growing selectivity in the Early Action process in recent years.