The California Institute of Integral Studies (CIIS) has maintained a strong Regular Decision acceptance rate of 65% for the application year 2024, accepting 585 out of 900 applicants. This reflects an upward trend compared to previous years, with acceptance rates increasing from 60% in 2019 to the current rate; specifically, rates have risen steadily from 56% in 2015 to 65% in 2024. Historical data shows a consistent applicant pool size of 900 over the years, indicating stable demand for admission.