St. Aloysius' School may refer to:
- Secondary schools
- St Aloysius English Medium School, Thanikella, Khammam, India
- St Aloysius' Anglo-Indian High School, Visakhapatnam, India
- St. Aloysius Gonzaga Secondary School, in Mississauga, Ontario, Canada
- St. Aloysius Gonzaga Secondary School, a Jesuit high school, in Kibera, Nairobi, Kenya
- St. Aloysius High School, Kanpur
- St. Aloysius High School, Nallasopara Nala Sopara
- St. Aloysius Higher Secondary School, Kollam, India
- St. Aloysius' Orphanage & Day School Howrah.
- St. Aloysius Senior Secondary School, Jabalpur, India
- St. Aloysius High School (Vicksburg, Mississippi)
- Sint-Aloysius College, a secondary school in Ninove, Belgium
- SMU St. Aloysius Bandung, Saint Aloysius Secondary and High School, in Bandung, Indonesia
- Gonzaga Preparatory School, a secondary school in Spokane, Washington
- Primary schools
- St. Aloysius primary school, in Lisburn, Northern Ireland
- St. Aloysius primary school and parish, in Pottstown, PA, US
- St. Aloysius Church and Primary School, in Limbanak, Sabah Malaysia
- St. Aloysius Elementary and Junior High School, in Bowling Green, OH, US
- St. Aloysius RC Primary School, in Oxford
- St. Aloysius Primary School, in Chapelhall, Scotland
- Other schools
- St. Aloysius Academy, in Bryn Mawr, PA, US.
- St. Aloysius Church, in Baton Rouge, LA, US, which is also an elementary school/middle school
- St. Aloysius Church and Catholic school, in Sauk City, WI, US
- St. Aloysius Church and school, Yoder, IN, US
- St. Aloysius Gonzaga Parish and School, Sheperdsville, KY, US
- St. Aloysius Parish and School, Jackson, NJ, US
- St. Aloysius Parish and School, Pewee Valley, KY, US
- St. Aloysius-on-the-Ohio Church and School, Cincinnati, OH, US
St.Aloysius Orphanage and Day School, Howrah, West Bengal, India