Hispanic-Serving Institutions (HSIs): 2015-2016 Excelencia in Education March 2017 Overview In 2015-16, there were 472 HSIs located in 19 states and Puerto Rico. These institutions represented 14% of all institutions of higher education and enrolled 64% of Latino undergraduates. Suggested citation: Excelencia in Education. (2017). Hispanic-Serving Institutions (HSIs): 2015 -16. Washington, D.C.: Excelencia in Education. Return to HSI: 2015-16 Data Download Resources Hispanic-Serving Institutions (HSIs): 2015-16