In Massachusetts, as in many states, schools are in the midst of a literacy overhaul that includes the adoption of new instructional materials aligned with the science of reading. In our district, principals, assistant principals and district leaders spend at least an hour a day, and usually more, observing teachers and giving them feedback. The result has been a rise in test scores, with end-of-year results in reading for grades 2 to 5 over the last three years surpassing our goals and beating national benchmarks for academic