Delaware Private School Trends (10-Year)

136

Private Schools

-17.1% (-28 schools) 10-yr

22,461

Students

-17.9% (-4,887 students) 10-yr

$15,330

Avg. Tuition

+23.6% (+$2,925) 10-yr

Avg. Class Size

+7.1% (+1 student) 10-yr

28%

Students of Color

-3.4% (-1.0 pp) 10-yr

10:1

Student-Teacher Ratio

-9.1% (-1.0) 10-yr

Enrollment & Diversity

Trends in Total Number of Private Schools

Year	Delaware (DE) Total	US Avg per State
2025	136	671
2024	140	703
2023	141	665
2022	127	612
2021	136	637
2020	151	684
2019	146	665
2018	145	677
2017	143	631
2016	147	644
2015	164	683

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Schools down 11 in Delaware, from 147 in 2016 to 136 in 2025.

# Students

22,461 Students

111,484 Students
avg. per state

View Largest Delaware Private Schools

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Total Number of Private School Students

Year	Delaware (DE) Total	US Avg per State
2025	22,146	111,945
2024	22,016	113,628
2023	22,242	108,484
2022	22,527	104,892
2021	23,267	106,817
2020	23,935	109,411
2019	24,107	108,956
2018	24,850	109,868
2017	25,770	106,255
2016	25,857	107,443
2015	27,348	108,505

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Private enrollment down 14% in Delaware, falling from 25,857 students in 2016 to 22,146 in 2025.

View Data

Distribution of Students By Grade Trends

Grade	Delaware
Nursery	891
Pre-K	3,992
Kind	1,645
1	1,181
2	1,173
3	1,158
4	1,141
5	1,251
6	1,281
7	1,295
8	1,197
9	1,527
10	1,536
11	1,515
12	1,449
Not Listed	229

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Pre-K has most students with 3,992 enrolled in Delaware private schools, far above every other grade.

Average School Size

175 Students

179 Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Average School Size

Year	Delaware (DE) Avg	National
2025	173	179
2024	167	172
2023	166	174
2022	188	185
2021	182	180
2020	169	171
2019	176	175
2018	181	172
2017	191	180
2016	189	178
2015	172	167

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School size down 16 in Delaware private schools, from 189 students in 2016 to 173 in 2025.

% Average Students of Color

28%

34%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Students of Color Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	27%	34%
2024	26%	34%
2023	28%	33%
2022	26%	33%
2021	26%	32%
2020	25%	32%
2019	25%	31%
2018	23%	31%
2017	28%	32%
2016	29%	32%
2015	29%	32%

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Students of color down 2 points in Delaware private schools, from 29% in 2016 to 27% in 2025, while the U.S. rose from 32% to 34%.

Academics

# Teachers

2,293 Teachers

509,242 Teachers

Average Student-Teacher Ratio

10:1

11:1

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	10:1	11:1
2024	10:1	11:1
2023	10:1	11:1
2022	10:1	11:1
2021	10:1	11:1
2020	10:1	12:1
2019	10:1	12:1
2018	10:1	12:1
2017	11:1	12:1
2016	11:1	12:1
2015	11:1	12:1

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Student-teacher ratio lower in Delaware private schools, at 10:1 from 2018 to 2025 versus 11:1 in 2016 and 2017.

% Average Faculty w/Advanced Degree

50%

55%

View Delaware Private Schools with the Most Educated Faculty

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	49%	55%
2024	47%	54%
2023	48%	54%
2022	46%	54%
2021	46%	54%
2020	46%	54%
2019	42%	53%
2018	41%	53%
2017	43%	53%
2016	43%	52%
2015	43%	52%

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Advanced degrees up 6 points in Delaware private schools, from 43% in 2016 to 49% in 2025.

Average Class Size

15 students

16 students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Class Size Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	15	15
2024	15	15
2023	15	15
2022	15	15
2021	16	15
2020	15	15
2019	15	15
2018	16	15
2017	15	15
2016	15	15
2015	14	15

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Class size flat at 15 in Delaware, with the average staying at 15 students from 2016 to 2025 except for 16 in 2018 and 2021.

Average Number of AP Courses

15 courses

13 courses

View Delaware Private Schools Offering the Most AP Courses

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Average Number of AP Courses Offered

Year	Delaware (DE) Avg	National
2025	15	12
2024	15	12
2023	15	11
2022	15	11
2021	17	11
2020	17	11
2019	17	11
2018	18	11
2017	16	10
2016	15	10
2015	16	10

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AP courses held steady in Delaware private schools at 15 in 2016 and 2025, while the national average rose from 10 to 12.

Tuition & Aid

Average Yearly Tuition Cost

$15,330

$13,779

View Delaware Private Schools By Tuition Cost

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Tuition Cost Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	$15,806	$13,694
2024	$15,117	$13,340
2023	$14,762	$12,825
2022	$13,704	$12,321
2021	$13,688	$12,072
2020	$13,655	$11,784
2019	$13,475	$11,547
2018	$13,155	$11,280
2017	$13,021	$10,994
2016	$12,771	$10,614
2015	$12,405	$10,195

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Tuition up 3,035 in Delaware private schools, rising from $12,771 in 2016 to $15,806 in 2025.

Average % on Financial Aid

38%

35%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percent on Financial Aid Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	37%	34%
2024	38%	34%
2023	42%	34%
2022	37%	33%
2021	37%	33%
2020	36%	32%
2019	38%	31%
2018	36%	30%
2017	36%	30%
2016	34%	29%
2015	31%	28%

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Financial aid rose 3 points in Delaware private schools, from 34% in 2016 to 37% in 2025.

Average Financial Aid Grant

$9,888

$7,693

View Data

Financial Aid Grant Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	$9,066	$7,073
2024	$3,849	$6,930
2023	$3,781	$6,469
2022	$3,603	$6,289
2021	$3,430	$6,055
2020	$3,412	$5,921
2019	$3,581	$5,795
2018	$3,026	$5,456
2017	$2,890	$5,319
2015	$2,834	$5,030

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Grant aid jumped 135% in Delaware, from $3,849 in 2024 to $9,066 in 2025, now above the national $7,073.

Average Acceptance Rate

88%

85%

View Most Selective Private Schools in Delaware

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Acceptance Rate Trends (2015-2025)

Year	Delaware (DE) Avg	National
2025	91%	85%
2024	91%	85%
2023	90%	85%
2022	89%	85%
2021	89%	85%
2020	89%	85%
2019	88%	85%
2018	88%	85%
2017	89%	85%
2016	89%	85%
2015	88%	85%

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Acceptance rate up 2 points in Delaware, rising from 89% in 2016 to 91% in 2025 while the national rate stayed at 85%.

Students by Ethnicity

0.59

0.65

View Delaware Private Schools Minority Statistics

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends

Year	Delaware (DE) Avg	National
2025	0.58	0.65
2024	0.57	0.65
2023	0.56	0.65
2022	0.53	0.64
2021	0.54	0.64
2020	0.54	0.64
2019	0.51	0.63
2018	0.51	0.63
2017	0.50	0.61
2016	0.50	0.61
2015	0.51	0.61

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Diversity score up 8 points in Delaware private schools, rising from 0.50 in 2016 to 0.58 in 2025.

# American Indian Students

39 Students

29,810 Students

% American Indian Students

<1%

# Asian Students

853 Students

264,326 Students

% Asian Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends

Year	Delaware (DE) Avg	National
2025	4%	5%
2024	5%	5%
2023	4%	5%
2022	4%	4%
2021	4%	4%
2020	4%	4%
2019	4%	4%
2018	4%	4%
2017	3%	4%
2016	4%	4%
2015	3%	4%

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Asian share flat at 4% in Delaware private schools, ending 2025 where it was in 2016 despite a brief rise to 5% in 2024.

# Hispanic Students

753 Students

506,562 Students

% Hispanic Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends

Year	Delaware (DE) Avg	National
2025	3%	9%
2024	3%	9%
2023	3%	9%
2022	3%	8%
2021	3%	9%
2020	3%	9%
2019	3%	8%
2018	3%	8%
2017	3%	8%
2016	3%	8%
2015	4%	8%

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# Black Students

1,920 Students

415,491 Students

% Black Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends

Year	Delaware (DE) Avg	National
2025	9%	7%
2024	9%	7%
2023	8%	8%
2022	8%	7%
2021	8%	7%
2020	8%	8%
2019	8%	7%
2018	8%	7%
2017	7%	7%
2016	7%	7%
2015	8%	8%

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Black student share up 2 points in Delaware private schools, rising from 7% in 2016 to 9% in 2025.

# White Students

13,016 Students

2,925,942 Students

% White Students

59%

52%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends

Year	Delaware (DE) Avg	National
2025	60%	52%
2024	61%	52%
2023	62%	52%
2022	65%	54%
2021	64%	54%
2020	65%	54%
2019	67%	56%
2018	67%	56%
2017	68%	58%
2016	68%	58%
2015	67%	58%

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White student share lower in Delaware private schools, falling from 68% in 2016 to 60% in 2025.

# Hawaiian Students

8 Students

20,065 Students

% Hawaiian Students

<1%

# Others Students

5,547 Students

1,473,041 Students

% of Others Students

25%

26%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends

Year	Delaware (DE) Avg	National
2025	24%	26%
2024	22%	26%
2023	23%	25%
2022	20%	25%
2021	21%	25%
2020	20%	24%
2019	18%	24%
2018	18%	23%
2017	19%	22%
2016	18%	22%
2015	18%	21%

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Other-race students rose 6 points in Delaware private schools, from 18% in 2016 to 24% in 2025.

All Ethnic Groups

Extracurriculars & Sports

Average Number of Extracurriculars

14 extracurriculars

9 extracurriculars

Average Number of Sports

8 sports

7 sports

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Frequently Asked Questions

What are the top ranked private schools in Delaware?

The top-ranked private schools in Delaware include Tower Hill School, Archmere Academy, and Wilmington Friends School.

How many private schools are located in Delaware?

There are 136 private schools are located in Delaware.

How much do private schools cost in Delaware?

The average private school tuition in Delaware is $13,711 for elementary schools and $19,365 for high schools

How diverse are private schools in Delaware?

Approximately 28% of students in Delaware private schools are minority students (compared to the national percentage).

What percentage of students in Delaware go to private school?

14% of all K-12 students in Delaware attend private schools (compared to the national average of 10%).

What percentage of private schools are religiously affiliated in Delaware?

59% of private schools in Delaware are religiously affiliated, with most being Catholic or Christian.

Which private schools in Delaware are often viewed compared to one another?

Popular comparisons of private schools in Delaware include: Serviam Girls Academy vs. Padua Academy, Paxson Lane KinderCare vs. Casho Mill KinderCare, Sharon Temple Adventist School vs. Wilmington Junior Academy

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