Because eligibility for Title I funding is dependent on the financial needs of schools' populations, many Title I schools face significant barriers to student achievement. Decades of research have shown that poverty has a strong negative impact on student academic performance (Herbers et al., 2012), and Title I schools frequently serve students…

This article reviews research on the achievement outcomes of mathematics programs for middle and high schools. Study inclusion requirements included use of a randomized or matched control group, a study duration of at least twelve weeks, and equality at pretest. There were 102 qualifying studies, 28 of which used random assignment to treatments.…