For the 2025-26 school year, there are 1 college-prep and junior boarding schools serving 342 students located throughout Mississippi.
You can also browse our full boarding school directory or specify additional search criteria.
Top Mississippi Boarding Schools (2025-26)
School
Location
Quick Facts
Saint Stanislaus High School![Saint Stanislaus High School Photo - We make the most of our location right on the Bay, developing unique programs, clubs, and activities for our students to enjoy. Our scuba and sailing clubs enjoy time in the water, while our environmental club focuses on care for our oceans, too.]( "Saint Stanislaus High School Photo - We make the most of our location right on the Bay, developing unique programs, clubs, and activities for our students to enjoy. Our scuba and sailing clubs enjoy time in the water, while our environmental club focuses on care for our oceans, too.")
(Catholic)
304 S. Beach Blvd.
Bay St. Louis, MS 39520
(228) 467-9057
Bay St. Louis, MS 39520
(228) 467-9057
Gr: 7-12 | 342 students Student-teacher ratio: 9:1 Avg. class size: 17 students Acceptance rate: 82% Tuition listed
Frequently Asked Questions
How many boarding schools are located in Mississippi?
There is 1 college-preparatory boarding schools located in Mississippi.
What is the oldest boarding school in Mississippi?
Saint Stanislaus High School, founded in 1854, is the oldest boarding school in Mississippi.
Recent Articles
Pros & Cons of Boarding School in 2025
Explore the modern advantages and challenges of boarding school education in 2025—with insights on cost, well-being, diversity, and college outcomes.
Myths Debunked
Explore updated 2025 facts about boarding schools—cost, diversity, academic outcomes—and debunk common myths for parents and students.
Why Choose Boarding School in 2025 — Key Benefits & Realities
Explore why families opt for boarding school in 2025: rigorous academics, global networks, life skills, financial aid, and preparation for the future.