St. Peter Cathedral School
Parish school · Grades Pre-K–8
Wilmington, DE
310 W 6th St, Wilmington, DE 19801
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A+Class size
- A-Years serving families
- B+Diversity
What stands out
- The smallest classes of any Catholic school in Wilmington
- Smaller classes than 91% of Catholic schools in Delaware
- Serving families in Wilmington since at least 2011
In Wilmington, Delaware, St. Peter Cathedral School is a Catholic parish school for students from pre-K through 8th grade. About 65 students attend, with roughly 6 students per teacher, smaller classes than 91% of Catholic elementary schools in Delaware. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Wilmington. The school day runs about 7 hours, 180 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 65
- Teachers
- 11.8 (full-time equivalent)
- Students per teacher
- 5.5
- Boys and girls
- Coed · 37 girls, 28 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of Wilmington
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 91% of Catholic elementary schools in Delaware (6 students per teacher).
- A smaller school: fewer students than 91% of Catholic elementary schools in Delaware.
- Compared with 11 Catholic elementary schools in Delaware.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
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. Peter Cathedral School
What grades does St. Peter Cathedral School serve?
St. Peter Cathedral School serves grades Pre-K–8.
How many students attend St. Peter Cathedral School?
About 65 students, with 6 students per teacher, according to official records.
How much is tuition at St. Peter Cathedral 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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