St. John Interparochial School
Parish school · Grades Pre-K–12
Plaquemine, LA
24250 Regina St, Plaquemine, LA 70764
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A+Class size
- ACollege-going
- A-Years serving families
- BDiversity
What stands out
- Smaller classes than 88% of Catholic schools in Louisiana
- 98% of graduates go to four-year colleges
- Growing: enrollment up 191% since 2011–12
- Serving families in Plaquemine since at least 2011
- One school from pre-K through 12th grade
In Plaquemine, Louisiana, St. John Interparochial School is a Catholic parish school for students from pre-K through 12th grade. About 443 students attend, with roughly 6 students per teacher, smaller classes than 88% of Catholic schools in Louisiana. Enrollment is up about 191% since 2011–12. The school is part of the Diocese of Baton Rouge. The school reports that about 98% of its graduates go on to four-year colleges. The school day runs about 7 hours, 176 days a year. Louisiana has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–12
- Students
- 443
- Teachers
- 76 (full-time equivalent)
- Students per teacher
- 5.8
- Boys and girls
- Coed · 230 girls, 213 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of Baton Rouge
- School day
- About 7 hours
- School year
- 176 days
- Graduates going to 4-year colleges
- About 98% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 88% of Catholic schools in Louisiana (6 students per teacher).
- Larger than 56% of Catholic schools in Louisiana.
- Compared with 16 Catholic schools in Louisiana.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
- A state or regional independent school association
Help paying tuition in Louisiana
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. John Interparochial School whether it takes part.
- LA GATOR Scholarship Program · Voucher or scholarship
- Tuition Donation Credit Program · Tax-credit scholarship
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. John Interparochial School
What grades does St. John Interparochial School serve?
St. John Interparochial School serves grades Pre-K–12.
How many students attend St. John Interparochial School?
About 443 students, with 6 students per teacher, according to official records.
How much is tuition at St. John Interparochial School?
Call the school to ask about tuition, financial aid and payment plans. Louisiana has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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