 A sampling of ACT admissions scores shows that the 75th percentile composite score was 24.1 at public four-year institutions and 25.3 at private four-year institutions.Students should check with their prospective institutions directly to understand ACT admissions requirements.In addition, some states and individual school districts have used the ACT to assess the student learning and/or the performance of schools, requiring all high school students to take the ACT, regardless of whether they are college bound.