Furthermore, under the patronage of archbishop George Cardinal Mundelein, it became a core principle of CYO not to discriminate on the basis of race, religion, or gender—as was common in other youth organizations of the time.
Activities vary in accordance with local culture but often includes prayer, singing, charity, sales, sports and visiting the sick.
In the United States, CYO is mainly known for its organized sports programs, notably boxing, basketball, baseball, track and field, and volleyball, as well as drum corps.
At international level CYO Sierra Leone is a full member of the Catholic umbrella of youth organizations Fimcap.
Most units are choirs of their parishes, and they also organize various activities under sports, spiritual, social, cultural, formation, ways and means, and membership committees.
All of these projects have helped in nurturing the faith of the Filipino Catholic youth, their holistic growth, leadership capabilities, cultural and artistic talents, love for the family, and for the community.