St. Ignatius High School may refer to:

• Saint Ignatius School, Wentworth, New South Wales, Australia
• St. Ignatius School, Winnipeg, Manitoba, Canada
• St. Ignatius High School (Thunder Bay), Thunder Bay, Ontario, Canada
• St. Ignatius High School (Mahalakshmi), Mumbai, India; near Sant Gadge Maharaj Chowk monorail station
• St. Ignatius High School MRT station, Taipei, Taiwan
• St. Ignatius College Preparatory, San Francisco, California, U.S.
• St. Ignatius College Prep, Chicago, Illinois, U.S.
• Saint Ignatius High School (Cleveland), Cleveland, Ohio, U.S.

See also

• St. Ignatius' Convent Higher Secondary School, Palayamkottai, Tirunelveli, India
• St. Ignatius of Loyola Catholic Secondary School, Oakville, Ontario
• St. Ignatius Catholic School (disambiguation)
• Saint Ignatius College (disambiguation)
• Saint Ignatius of Loyola
• Saint Ignatius of Antioch
• Saint Ignatius of Constantinople
• St. Ignatius (disambiguation)
• Loyola (disambiguation)
• Ignatius Gymnasium, Catholic high school in Amsterdam, North Holland, Netherlands

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