Miami-Dade County Public Schools (M-DCPS) earned a performance grade of "B" for the second year in a row and was just seven points short of the points required to earn an "A." This Research Capsule summarizes several key elements that contributed to the district's achievement. Results indicate that, in most cases, students' levels of academic achievement have increased and that some progress has been made toward narrowing the achievement gap. (Contains 9 figures.)