Colegio San José is a Catholic, Marianist, college preparatory school of academic excellence for young men, which strives to develop capable, responsible, and sensitive Christian leaders, committed to the service of God and neighbor.

In philosophy, action, and service, we affirm the Characteristics of Marianist Education Around 50–70% of graduates study in a university outside of the island, mainly in the continental United States.

San José has 25 organized clubs, a varsity program in eleven sports (volleyball, basketball, baseball, tennis, golf, soccer, indoor soccer, cross-country, track and field, swimming, bowling), a junior varsity program with six sports (basketball, tennis, Cross Country, Soccer, Swimming, Track and Field and volleyball) and a juvenile program with three sports (basketball, cross country and volleyball).

Recent victories achieved by the school during the school year 2008–2009 include winning 7 out of 8 categories during the Intercollegiate League of History and Geography's annual competition.

Colegio San José has had more than 100 National Merit Scholars and several nominations for Presidential Award, during the past five years.[when?]