Among students in the 2024 ACT-tested graduating class, over 374,000 took the PreACT 8/9® or PreACT test before taking the ACT. This issue brief compares the ACT scores and college enrollment rates for students who took a test from the PreACT Suite of Assessments versus those who did not. The brief also examines average PreACT-to-ACT gain scores by performance in high school courses, racial/ethnic group, and family income level.