Delaware Valley Classical School Top 3 · Highest Avg. SAT Score (DE)

Wilmington Friends School Top 3 · Highest Avg. ACT Score (DE)

Centreville Layton School Top 14 · Most AP Courses (DE)

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Oldest Private Schools in Delaware

The average private school in Delaware was founded around 1972 (2026-27).

The oldest private school in Delaware is Wilmington Friends School, founded in 1748.

Quick Facts (26-27)

# DE Schools Ranked: 88
Top 20 Range (Year Founded): 1748–1955
DE School Avg.: 1971
National School Avg.: 1967

Quick Facts (26-27)

# DE Schools Ranked: 88
Top 20 Range (Year Founded): 1748–1955
DE School Avg.: 1971
National School Avg.: 1967

Frequently Asked Questions

What is the Delaware average private schools founding year?

The Delaware average private schools founding year is 1972 for 2026-27.

What are the private schools with oldest founding year in Delaware?

The top ranked private schools in Delaware include Wilmington Friends School, St. Michaels School & Nursery Inc and Ursuline Academy.

What is private high school and private elementary school with the oldest founding year in Delaware?

The private high school with the oldest founding year in Delaware is Wilmington Friends School, with a year of 1748. The private elementary school with the oldest founding year is Wilmington Friends School, with a year of 1748.

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