COLUMBIA — Missouri students performed the same on this year's ACT college-entrance exam as they did in 2011.
Data released Wednesday for the class of 2012 show Missouri's composite score unchanged at 21.6 out of a possible 36. Nationally, the average score was 21.1.
Average ACT scores for Columbia Public Schools were higher than the state and national average. The average composite score for the district was 23.4, with Rock Bridge High School at an average of 24.3 and Hickman High School at 22.4.
Rock Bridge's average ACT scores held steady compared to 2011 in the overall composite, science and mathematics categories with a minor decrease in the English and reading categories. Hickman High School's ACT scores dropped by an average of 0.72 in all categories compared to last year.
The percentage of Missouri graduates earning scores indicating college readiness was highest in English at 73 percent and lowest in science at 33 percent.
Seventy-five percent of Missouri's 2012 graduates took the exam, compared with 71 percent last year.
ACT has released a 20-page PDF report on college and career readiness in Missouri.
— The Associated Press contributed to this report.