Every student should have access to excellent, well-prepared, and well-supported educators who reflect the diversity of our nation. Research repeatedly indicates that teachers are the most important in-school factor for student success. Research also highlights the critical role of school leaders in retaining and supporting teachers to maximize…

The Every Students Succeeds Act (ESSA) provided states with newfound flexibility on accountability measures and school improvement strategies. Many policy experts have analyzed states' ESSA plans, which explain how states use their federal funds under various provisions of the new law, as well as the approaches states take to identify and rate…