
Southern Illinois University at Carbondale recorded a Regular Decision acceptance rate of 90.4% for the application year 2023, with 10,401 applicants and 9,407 admissions. This reflects a slight decrease from the previous year’s acceptance rate of 91.5%. Historically, acceptance rates have fluctuated significantly; for example, the rate was as low as 66.3% for the application year 2019 and reached a high of 95.1% in 2021. Overall, the trend suggests a gradual decline in acceptance rates over recent years, indicating increasing selectivity in the admissions process.