The purpose of this report is to summarize the findings from the Years 6-10 (2010-2015) Nanoscale Informal Science Education Network (NISE Net) summative evaluation studies and to discuss factors that contributed to the achievement of NISE Net’s goals. The report centers on summative evaluation findings, while also including major project output data and corroborating findings from the Years 6-10 NISE Net research studies. By synthesizing findings across studies, this summary evaluation report provides a high-level description of the cross-cutting and integrated knowledge generation efforts