Direct assessments of instructional practice (e.g., classroom observations) are necessary to identify and eliminate opportunity gaps in students' learning of mathematics. This study examined 114 middle school mathematics classrooms in four instructionally focused urban districts. Results from the Instructional Quality Assessment identified high…

Too often, the needs of English language learners are met with simplified curriculum and lowered expectations. What would happen if instead classrooms were organized to honor the promise of these students by increasing rather than decreasing the intellectual challenge of instruction, by increasing the support such challenge requires, and by…

Educators and policymakers have debated in recent years how best to improve academic performance in the middle grades. In the absence of outcomes-based research about what works, school districts have reshuffled grade configurations, bolstered their focus on "academic rigor," and worked to ensure that students are engaged in school as…