Positive perceptions of school climate correlate with many dimensions of academic well-being and student health. Unfortunately, some existing research finds more favorable perceptions in middle school for general education students (GENs) than for students with disabilities (SWDs). Given the importance of ninth grade to student success, it is…

Research has demonstrated that instruction that relies heavily on studying worked examples is more effective for less experienced learners compared to instruction emphasizing problem solving. However, the guidance associated with studying some worked examples may reduce the performance of more experienced learners. This study investigated…

This article investigates the benefits of girls-only classroom instruction in math and science during Grades 9 and 10, in the context of a public coeducational high school. It is based on a longitudinal investigation with 786 participants: 85 girls in all-girl classes, and 319 girls and 382 boys in a regular coeducational program. Preexisting…