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Organisation

St. Ignatius College Preparatory

Ignatius College Preparatory, colloquially referred to by Bay Area locals as SI, is a private, Catholic preparatory school in the Jesuit tradition, serving the San Francisco Bay Area since 1855. Located in the Archdiocese of San Francisco, in the Sunset District of San Francisco, St. Ignatius is one of the oldest secondary schools in the U.S. state of California.

St. Ignatius College Preparatory

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In this article

  1. 01Foundation and history
  2. 02Archives and collections
  3. 03Notes, references and evidence

The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 26 September 2026.

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