Home > Louisiana > Iberville Parish > Plaquemine

St. John Interparochial School

24250 Regina Street
Plaquemine, LA 70764

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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 (2025-26)

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

Source: Verified school update

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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).

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Quick Facts (2025-26)

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

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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).