Decades of research evidence indicate that high-quality early education can positively affect the learning trajectories of disadvantaged young children. However, despite significant investments to improve what happens in the classroom, publicly funded pre-kindergarten programs continue to display instructional quality that is too weak to prepare…

Researchers have raised a number of questions about whether student achievement data can be used fairly or accurately for purposes of teacher evaluation. Others have noted that achievement data alone cannot provide teachers with the information they need to improve their practice. Recognizing these limitations, the federal government and many…