St. Margaret Mary Catholic School
Diocesan school · Grades Pre-K–8
Algonquin, IL
119 S Hubbard St, Algonquin, IL 60102
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- B+Diversity
What stands out
- Serving families in Algonquin since at least 2011
In Algonquin, Illinois, St. Margaret Mary Catholic School is a Catholic diocesan school for students from pre-K through 8th grade. About 166 students attend, with roughly 17 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Rockford. The school day runs about 7 hours, 176 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 166
- Teachers
- 10 (full-time equivalent)
- Students per teacher
- 16.6
- Boys and girls
- Coed · 61 girls, 105 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Rockford
- School day
- About 7 hours
- School year
- 176 days
- Library
- Yes
Reviews
Be the first to share what you love about St. Margaret Mary Catholic School.
How it compares
- A smaller school: fewer students than 54% 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. Margaret Mary Catholic School
What grades does St. Margaret Mary Catholic School serve?
St. Margaret Mary Catholic School serves grades Pre-K–8.
How many students attend St. Margaret Mary Catholic School?
About 166 students, with 17 students per teacher, according to official records.
How much is tuition at St. Margaret Mary Catholic School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
Primrose School of Algonquin
Early childhood program · Grades Pre-K–K
A preschool in Algonquin
Algonquin, IL2.5 mi
SS Peter & Paul School
Parish school · Grades Pre-K–8
Smaller classes than 78% of Catholic schools in Illinois
Cary, IL4.3 mi
Wonderland Kids Academy
Early childhood program · Grades Pre-K–K
Small classes: about 8 students per teacher
Fox River Grv, IL4.5 mi
St. Catherine of Siena Elementary School
Parish school · Grades Pre-K–8
Serving families in West Dundee since at least 2011
West Dundee, IL4.5 mi
Lumen Academy
Special education school · Grades 8–11
Smaller classes than 73% of special education schools in Illinois
West Dundee, IL4.6 mi
Trinity Oaks Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 56% since 2011–12
Cary, IL4.6 mi