Universidade Presbiteriana Mackenzie (Portuguese for Mackenzie Presbyterian University) is a private university in São Paulo, Brazil. Founded in 1870 as the American School, Mackenzie is one of the oldest institutions of higher education in Brazil. The university is regarded nationally and internationally as a center of excellence having graduated numerous important names of Brazilian history. The nickname &quot;Mackenzista&quot; is often used to refer to Mackenzie present or former students.