"This is the piece that's been missing." This reaction is common among educators engaged in AIW Iowa, an initiative that engages teachers and administrators in professional learning communities that are improving student achievement, increasing student engagement, and building a schoolwide professional culture focused on improving…

An evaluation mosaic brings together different methods and forms to present an overall picture of the impact this professional learning experience had on teachers' practices and on student achievement. Using this framework, professional developers were able to determine whether they were getting the results they wanted--and they did.