This report summarizes the School Action for Innovations in Science (SAInS) program, which aimed to improve STEM education in Indonesian high schools over 3 years from 2012-2015. Key activities included a study tour of US STEM programs, developing strategic action plans for 3 partner schools and IPB university, workshops on curriculum reform and using Fab Labs, and implementing action plans with support from embedded experts. These efforts reached over 5,000 students and trained many teachers. The program also disseminated resources through a website, an annual science fair, and expanding IPB's role in teacher training. Evaluations found growth in STEM instruction and interest in the partner schools as well as demand from other schools and districts