Background: Through its Children First initiative, New York City policymakers promoted collaborative inquiry as a process for helping administrators and teachers use student data to improve instruction and raise student achievement. Since 2007, city schools were expected to engage higher proportions of faculty in the inquiry work each year.…

This guidebook shows how school district personnel from many areas--curriculum, instruction, supervision, staff development--can coordinate their activities to focus on instructional improvement. It reveals how data derived from tests, when properly used, can be useful in helping district personnel work with school and community people to assess…