The TEAMS Collaborative received three separate rounds of funding from the National Science Foundation; Inverness Research served as the external evaluator to the project for all three rounds of funding. This summative report details the return on NSF's long-term investment in the TEAMS Collaborative. It outlines the overall contributions of the project to participating museums, individual staff at those museums, and to the larger field of informal science education institutions. It also summarizes the ways in which the TEAMS Collaborative was able to effectively capitalize on NSF's investment