St. Stanislaus Kostka School
Parish school · Grades Pre-K–8
Sayreville, NJ
221 Macarthur Ave, Sayreville, NJ 08872
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B+Years serving families
- A-Diversity
What stands out
- Smaller classes than 60% of Catholic schools in New Jersey
In Sayreville, New Jersey, St. Stanislaus Kostka School is a Catholic parish school for students from pre-K through 8th grade. About 137 students attend, with roughly 11 students per teacher, smaller classes than 60% of Catholic elementary schools in New Jersey. The school is part of the Diocese of Metuchen. The school day runs about 6 hours, 180 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 137
- Teachers
- 12.6 (full-time equivalent)
- Students per teacher
- 10.9
- Boys and girls
- Coed · 85 girls, 52 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of Metuchen
- School day
- About 6 hours
- School year
- 180 days
Reviews
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How it compares
- Smaller classes than 60% of Catholic elementary schools in New Jersey (11 students per teacher).
- A smaller school: fewer students than 79% of Catholic elementary schools in New Jersey.
- Compared with 120 Catholic elementary schools in New Jersey.
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. Stanislaus Kostka School
What grades does St. Stanislaus Kostka School serve?
St. Stanislaus Kostka School serves grades Pre-K–8.
How many students attend St. Stanislaus Kostka School?
About 137 students, with 11 students per teacher, according to official records.
How much is tuition at St. Stanislaus Kostka 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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