This report summarizes the findings of an evaluation of the National Science Foundation's (NSF) Informal Science Education (ISE) program. The program provides support for a variety of informal science education activities, including museum exhibits; television series and programs for youth or the general public; films on science and mathematics topics; exhibits or educational programs at science and natural history museums, science-technology centers, aquaria, nature centers, biological gardens, arboreta, zoological parks, and libraries; and educational programs and activities at community and