For the 2026-27 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.
Historical Statistics Overview
This State (DE)
US
# Schools
1 Schools
270 Schools
# Students
315 Students
106,591 Students
Academics and Faculty
This State (DE)
US
Average Student-Teacher Ratio
n/a
8:1
Academic Programs
This State (DE)
US
Avg. AP Courses
n/a
22
Avg. IB Courses
n/a
28
Avg. Class Size
n/a
13
Academic Performance
This State (DE)
US
Avg. SAT Score
n/a
1270
Avg. ACT Score
n/a
27
Tuition and Finances
This State (DE)
US
Avg. Tuition (Boarding)
n/a
$64,477
Avg. Tuition (Day)
n/a
$38,040
Avg. Tuition (International)
n/a
$62,455
Avg. Financial Aid Rate
n/a
42%
Avg. Financial Aid Grant
n/a
$26,973
Avg. Endowment
n/a
$83 MM
Student Diversity
This State (DE)
US
% International Students
n/a
27%
% Boarding Students
n/a
59%
Top Delaware Boarding Schools (2026-27)
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.
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