For the 2025-26 school year, there are 1 college-prep and junior boarding schools serving 315 students located throughout Delaware.
You can also browse our full boarding school directory or specify additional search criteria.
Top Delaware Boarding Schools (2025-26)
School
Location
Quick Facts
350 Noxontown Road
Middletown, DE 19709
(302) 285-4231
Middletown, DE 19709
(302) 285-4231
Gr: 9-12 | 315 students Student-teacher ratio: 5:1 Avg. class size: 12 students Acceptance rate: 22% Tuition listed
Frequently Asked Questions
How many boarding schools are located in Delaware?
There is 1 college-preparatory boarding schools located in Delaware.
What is the oldest boarding school in Delaware?
St. Andrew's School, DE, founded in 1929, is the oldest boarding school in Delaware.
Recent Articles
Choosing the Best Boarding School: 10 Key Factors (2025)
Discover the 10 essential factors for choosing the best boarding school in 2025. Expert tips on academics, costs, fit, and future success.
Is a Therapeutic School What You Need? | 2025 Update
Explore 2025 insights on therapeutic schools: benefits, costs, outcomes, and expert guidance to help families determine if this option is the right fit.
Boarding vs Private Day School: 2025 Guide for Families
Compare boarding and private day schools in 2025—discover key differences, costs, academics, social life, and expert tips to find the right fit for your child.