This dissertation in practice will focus on gaining insights into the relationship between money spent on professional development and the Standards Assessment Inventory Scores. The Standards Assessment Inventory is an assessment tool aligned with the Standards of Professional Learning that provides insight into the perceptions of professional learning, the degree of success or challenges of professional learning, and systematic ways to provide decision makers with information on how to align professional development, educator effectiveness, and student achievement. The standards for professional learning include the following key areas: learning communities, leadership, resources, data, learning designs, implementation, and outcomes. Learning Forward's Standards for Professional Development have been adopted by over 35 states in the United States. The setting for this dissertation in practice is a large school district in Illinois that educates students from pre-kindergarten through eighth grade. The study discusses spending on professional development and the relationship to the Standard Assessment Inventory in a large urban district in Illinois. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://bibliotheek.ehb.be:2222/en-US/products/dissertations/individuals.shtml.]