State education agencies (SEAs) are working to deliver equitable education opportunities to every student, and that can require a hard look at how the agency is managing capacity, coherence, and equity in pursuit of this work. To build capacity, SEAs are taking stock not only of how they are allocating existing resources but also examining how well they are leveraging partnerships. This guide outlines examples and avenues for utilizing Educational Service Agencies (ESAs) to build SEA capacity and provide local education agencies (LEAs), districts, and schools with the services they need.