Elizabeth Klammer, John R. Slate and Cynthia Martinez-Garcia (2023) “Differences in Grade 4 Mathematics Performance of Students in Poverty Between Charter and Traditional Elementary Schools: A Multiyear Texas Analysis”, Research and Advances in Education, 2(10), pp. 1–12. vailable at: https://www.paradigmpress.org/rae/article/view/820 (ccessed: 20 May 2025).