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Centreville Layton School Top 3 · Lowest Acceptance Rate (DE)

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

Aquinas Academy Top 5 · Lowest Tuition (DE)

Home > Delaware > Average Tuition Cost

Delaware Private High Schools By Tuition Cost

The average private high school tuition in Delaware is $19,284 per year (2026-27).

The private high school with the lowest tuition is Towle Institute, with a tuition of $2,500.

Quick Facts (2026-27)

# DE Schools Ranked: 21
Top 20 Range (Tuition): $2,500–$39,600
DE School Avg.: $19,365
National School Avg.: $13,415

Quick Facts (2026-27)

# DE Schools Ranked: 21
Top 20 Range (Tuition): $2,500–$39,600
DE School Avg.: $19,365
National School Avg.: $13,415

Delaware Average Tuition Cost (Trends)

View Data

Year	Delaware (DE) avg
2025	$19,113
2024	$14,218
2023	$12,121
2022	$11,445
2021	$11,825
2020	$11,673
2019	$12,261
2018	$10,563
2017	$11,985
2016	$11,809
2015	$11,076

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Show school map — Delaware (tuition range: $2,500–$39,600, avg $19,365)

Tuition Cost Range: $2,500 $78,500 Avg. Tuition Cost: $19,365

Frequently Asked Questions

What is the Delaware average private high schools tuition?

The Delaware average private high schools tuition is $15,247 for 2026-27.

What are the private high schools with the lowest tuition cost in Delaware?

The top ranked private high schools in Delaware include Towle Institute, Aquinas Academy and Greenwood Mennonite School.

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