St. Giles School
Diocesan school · Grades Pre-K–8
Oak Park, IL
1034 Linden Ave, Oak Park, IL 60302
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B+Years serving families
- ADiversity
What stands out
- The smallest classes of any Catholic school in Oak Park
St. Giles School is a Catholic diocesan school in Oak Park, Illinois, for students from pre-K through 8th grade. It has about 264 students and around 12 students per teacher. The school is part of the Archdiocese of Chicago. Students attend about 7 hours a day, 178 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 264
- Teachers
- 22.6 (full-time equivalent)
- Students per teacher
- 11.7
- Boys and girls
- Coed · 114 girls, 150 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Chicago
- School day
- About 7 hours
- School year
- 178 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 59% of Catholic elementary schools in Illinois (12 students per teacher).
- Larger than 76% of Catholic elementary schools in Illinois.
- Compared with 285 Catholic elementary schools in Illinois.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about St. Giles School
What grades does St. Giles School serve?
St. Giles School serves grades Pre-K–8.
How many students attend St. Giles School?
About 264 students, with 12 students per teacher, according to official records.
How much is tuition at St. Giles School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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