Clark DM, Slate JR, Combs JP, Moore GW. Math and Reading Differences Between 6-8 and K-8 Grade Span Configurations: A Multiyear, Statewide Analysis. CIE [Internet]. 2013 Aug. 15 [cited 2024 Apr. 24];16(2). Available from: https://cie.asu.edu/ojs/index.php/cieatasu/article/view/1144