In 2010, Iredell-Statesville Schools was awarded an Investing in Innovation grant (i3) from the Office of Innovation and Improvement within the Federal Department of Education. Collaborative Organizational Model to Promote Aligned Support Structures (COMPASS) is a development grant that seeks to meet the needs of students with disabilities, academically struggling high-needs students, and students with limited English proficiency, by providing timely and targeted professional development to teachers through the alignment of support structures. The Evaluation Group conducted a fidelity of implementation (FOI) study to determine the extent to which the program was delivered as intended. We also conducted an impact study to determine the effect of the program on reading achievement in grades 3-8. [Funding for this report came from the U.S. Department of Education under its Investing in Innovation (i3) initiative to the Iredell-Statesville School District. The Evaluation Group conducted a fidelity of implementation (FOI) study to determine the extent to which the program was delivered as intended ]