Home > Louisiana > Iberville Parish > Plaquemine

St. John Interparochial School

24250 Regina Street
Plaquemine, LA 70764

sites.google.com

The mission of St. John Interparochial School is to develop the spiritual, intellectual, and physical capabilities of each student in a Christ-centered environment thus continuing the rich tradition of the school.

Established in 1853, St. John integrates religious values in the daily life and learning of each student.

The faculty and staff believe in building a community of faith, love, and service to others that extends beyond a classroom setting.

St. John offers a solid religious foundation and a well-rounded education that add new dimension to a student's personality, character, and moral standards.

St. John Interparochial School is drawing students from seven surrounding area church parishes.

Quick Facts (2026)

Top-Ranked LA School
Grades: 7-12
Enrollment: 287 students
Application Deadline: None / Rolling
Source: Verified school update

Top Rankings

St. John Interparochial School ranks among the top 20% of private schools in Louisiana for:

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades 7-12

Year Founded

1853

Colors

Navy Blue, Gold, Old gold

Student Body

Total Students

287 students

Student Body Type

Co-ed

% Students of Color

12%

State avg.: 22%

Students by Grade

St. John Interparochial School Student By Grade

Academics and Faculty

Total Classroom Teachers

34 teachers

Student-Teacher Ratio

8:1

National avg.: 13:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$4,454.00

View national tuition avg.

Source: Verified school update

REQUEST FREE INFORMATION

Frequently Asked Questions

What is St. John Interparochial School's ranking?

St. John Interparochial School ranks among the top 20% of private schools in Louisiana for: Oldest founding date.

When is the application deadline for St. John Interparochial School?

The application deadline for St. John Interparochial School is rolling (applications are reviewed as they are received year-round).

School Reviews

Endorse St. John Interparochial School. Endorsements should be a few sentences in length. Please include any comments on:

Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities
Academic or athletic awards

Recent Articles

January 04, 2026

Free Private Schools & Voucher Programs in 2025

Updated guide to free private schools and school voucher programs, 2025 policies, costs, equity issues, and how families access tuition support.

January 04, 2026

Social Emotional Learning 2025: Policy, Practice and Outcomes

Updated 2025 review of social emotional learning in schools, research outcomes, key trends, challenges and future paths for parents and educators.

January 04, 2026

Private School Admissions for Siblings: Costs and Timing

Learn how private school admissions for siblings affect costs, discounts, and timing strategies for families planning multiple enrollments.

Quick Facts (2026)

Top-Ranked LA School
Grades: 7-12
Enrollment: 287 students
Application Deadline: None / Rolling
Source: Verified school update

Request Information

Email:

Name of parent:

Student first name:

Student last name:

Student date of birth:

Student is:

Male

Female

Currently in grade:

Seeking entry for grade:

Target start date:

Please briefly describe academic, athletic, and extracurricular interests of the student:

Home address:

City:

Country:

State:

Zip: (enter "N/A" if not applicable)

Phone:

Save this data and create your user profile. Create your own user account so you don't have to re-type your user data each time you request information. You'll also be able to track your information requests, get reminded of application dates, and more!

Username:

Password:

Did You Know?

The average private school tuition in Louisiana is $9,711 for elementary schools and $11,114 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Louisiana is 84% (read more about average acceptance rates across the country).