This three-manuscript dissertation attempts to answer the question: "How does students' English language proficiency (ELP) inform the availability, structure, and use of English language accommodations and intervention to support the academic achievement of English learner (EL) students?" The question is addressed using three independent…

Some schools use results from the MAP® Growth™ interim assessments from the Northwest Evaluation Association (NWEA®) in a number of high-stakes ways. These include as a component of their teacher evaluation systems; to determine whether a student advances to the next grade; or as an indicator for student readiness for certain programs or…