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Canisius High School is a Catholic, Jesuit, college-preparatory school in Buffalo, New York founded in 1870 for boys in grades 9 through 12.

We welcome students of all faiths!

At Canisius, you'll find a challenging curriculum that provides a broad range of course offerings, including honors and Advanced Placement courses, complemented by a host of enriching electives. We offer students participation in inter-scholastic sports as well as dozens of music ensembles, teams, and clubs. At the heart of it all is a commitment to Christian service in the Jesuit tradition, designed to instill the desire to become a "Man for Others" in each and every graduate.

Canisius High School is named after St. Peter Canisius, S.J. (1521-1597). He preached and taught in parishes, reformed and founded universities, wrote many books including popular catechisms, restored lapsed Catholics, and cared for the sick.

Quick Facts


Canisius High School, located in the city of Buffalo, is a Catholic, Jesuit, independent, college-preparatory school serving young men of diverse backgrounds from throughout Western New York. Canisius challenges its students to strive for excellence as critical thinkers and effective communicators who are open to growth, intellectually competent, religious, loving, and committed to justice.

Canisius promotes the development of students through a comprehensive liberal arts curriculum firmly rooted in the Jesuit tradition of education, spirituality and service.

Faithful to St. Ignatius Loyola’s desire to provide care and concern for the whole person, Canisius affords each member of the school community the opportunity to develop individual talents for the service of others and the greater glory of God.


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Canisius graduates continue their education at many of the top institutions of higher learning.