Table 2 Summary table of sustainability at sites, with “black” indicating strong sustainability, “gray” indicating tentative sustainability (for example, dependent on another source of external funding). “Maintenance” refers to continued production of physics teachers. “Institutionalization” refers to continuation of PhysTEC activities, such as the TIR, recruitment, pedagogy courses, etc. “Capacity building” indicates that costs and staffing has been internalized by the university