[+] Show Closed Private Schools in New Castle County, Delaware

Overview

Academics and Faculty:

# Teachers

1,620 Teachers

1,854 Teachers

Average Student-Teacher Ratio

9:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	9:1	9:1	11:1
2024	9:1	9:1	11:1
2023	9:1	9:1	11:1
2022	9:1	9:1	11:1
2021	9:1	9:1	11:1
2020	9:1	9:1	11:1
2019	10:1	10:1	11:1
2018	10:1	10:1	11:1
2017	10:1	10:1	11:1
2016	10:1	10:1	12:1
2015	10:1	10:1	12:1

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% Average Faculty w/Advanced Degree

48%

49%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	47%	48%	54%
2024	45%	46%	54%
2023	45%	46%	53%
2022	43%	44%	53%
2021	43%	42%	53%
2020	44%	43%	53%
2019	38%	37%	52%
2018	37%	37%	52%
2017	38%	40%	51%
2016	36%	37%	51%
2015	36%	37%	50%

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Average Class Size

16 students

View Data

Class Size Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	16	16	16
2024	15	15	15
2023	15	15	15
2022	16	15	15
2021	16	16	15
2020	15	15	15
2019	15	15	15
2018	15	15	15
2017	14	14	15
2016	14	14	15
2015	14	13	15

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Average Number of AP Courses

15 courses

14 courses

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Trends in Average Number of AP Courses Offered
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	15	14	12
2024	14	14	11
2023	14	13	10
2022	14	13	10

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Average SAT score

1211

(Out of 1600)

Average ACT score

(Out of 36)

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$15,571

$13,904

View Data

Tuition Cost Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	$15,434	$13,726	$14,043
2024	$15,026	$13,174	$12,357
2023	$13,297	$11,206	$11,693
2022	$12,055	$10,305	$11,199
2021	$12,232	$10,486	$10,824
2020	$12,274	$10,307	$10,496
2019	$12,718	$10,463	$10,300
2018	$11,573	$9,594	$10,056
2017	$12,014	$9,385	$9,712
2016	$13,093	$10,396	$9,307
2015	$12,828	$10,477	$8,903

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Average Summer Program Cost

$1,248

Average % on Financial Aid

37%

36%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	36%	35%	34%
2024	39%	37%	33%
2023	40%	41%	33%
2022	33%	35%	32%
2021	33%	35%	32%
2020	33%	34%	31%
2019	39%	39%	30%
2018	37%	38%	29%
2017	38%	37%	29%
2016	33%	34%	28%
2015	29%	30%	27%

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Average Financial Aid Grant

$8,173

$6,499

View Data

Financial Aid Grant Trends (2019-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	$6,842	$5,240	$6,227
2019	$3,965	$3,769	$5,007

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Average Acceptance Rate

87%

88%

View Data

Acceptance Rate Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	89%	89%	81%
2024	89%	89%	85%
2023	88%	89%	85%
2022	86%	88%	85%
2021	86%	87%	86%
2020	86%	87%	86%
2019	86%	87%	85%
2018	87%	87%	85%
2017	87%	88%	86%
2016	88%	89%	85%
2015	86%	87%	86%

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Average Endowment Size

$30.08 million

$ million

Students by Ethnicity:

0.59

0.58

View Data

Diversity Score Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	0.58	0.57	0.64
2024	0.57	0.55	0.64
2023	0.56	0.55	0.63
2022	0.51	0.51	0.62
2021	0.51	0.51	0.62
2020	0.52	0.51	0.62
2019	0.51	0.50	0.61
2018	0.51	0.50	0.60
2017	0.50	0.49	0.59
2016	0.50	0.49	0.59
2015	0.49	0.49	0.58

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# American Indian Students

20 Students

33 Students

% American Indian Students

n/a

# Asian Students

651 Students

695 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	5%	5%	5%
2024	5%	4%	5%
2023	5%	4%	5%
2022	4%	4%	5%
2021	4%	4%	5%
2020	4%	4%	5%
2019	3%	4%	4%
2018	3%	4%	4%
2017	3%	3%	4%
2016	4%	3%	4%
2015	3%	4%	4%

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# Hispanic Students

514 Students

632 Students

% Hispanic Students

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Hispanic Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	4%	4%	9%
2024	4%	4%	9%
2023	4%	4%	9%
2022	3%	3%	8%
2021	3%	3%	9%
2020	4%	4%	9%
2019	4%	4%	8%
2018	4%	4%	8%
2017	3%	3%	8%
2016	3%	3%	8%
2015	3%	3%	8%

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# Black Students

1,502 Students

1,671 Students

% Black Students

11%

10%

View Data

Black Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	11%	10%	8%
2024	12%	11%	8%
2023	11%	10%	8%
2022	11%	10%	7%
2021	11%	10%	8%
2020	11%	10%	8%
2019	10%	9%	8%
2018	10%	9%	8%
2017	9%	9%	7%
2016	9%	9%	8%
2015	10%	10%	8%

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# White Students

8,246 Students

10,089 Students

% White Students

60%

61%

View Data

White Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	61%	62%	55%
2024	63%	64%	55%
2023	63%	64%	55%
2022	68%	68%	57%
2021	68%	68%	57%
2020	67%	68%	58%
2019	68%	68%	59%
2018	68%	68%	59%
2017	68%	69%	61%
2016	68%	69%	61%
2015	70%	69%	61%

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# Hawaiian Students

3 Students

7 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

2,802 Students

3,377 Students

% of Others Students

20%

21%

View Data

Other Races Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	19%	19%	22%
2024	16%	17%	22%
2023	17%	18%	22%
2022	14%	15%	22%
2021	14%	15%	20%
2020	14%	14%	19%
2019	15%	15%	20%
2018	15%	15%	20%
2017	17%	16%	19%
2016	16%	16%	18%
2015	14%	14%	18%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

13 extracurriculars

12 extracurriculars

Average Number of Sports

9 sports

8 sports

Frequently Asked Questions

What are the top ranked private elementary schools in New Castle County, DE?

The private elementary schools in New Castle County, DE include Wilmington Friends School, Sanford School, and Tower Hill School.

How many private elementary schools are located in New Castle County?

59 private elementary schools are located in New Castle County.

How much do private elementary schools cost in New Castle County?

The average tuition cost is $15,571, which is higher than the Delaware private school average tuition cost of $13,904.

How diverse are private elementary schools in New Castle County?

New Castle County private elementary schools are approximately 30% minority students, which is higher than the Delaware private school average of 29%.

What percentage of private elementary schools are religiously affiliated in New Castle County?

63% of private elementary schools in New Castle County are religiously affiliated (most commonly Catholic and Christian).

Which private elementary schools in New Castle County are often viewed compared to one another?

Popular comparisons of private elementary schools in New Castle County include: Sharon Temple Adventist School vs. Wilmington Junior Academy, Urban Promise School vs. St. Edmond's Academy, Tarbiyah School vs. Tarbiyah Islamic School Of Delaware

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Year	New Castle County Average	Delaware (DE) Average	National Average
2025	236	190	199
2024	224	180	192
2023	234	184	193
2022	243	212	205
2021	240	210	201
2020	238	190	188
2019	242	201	193
2018	239	200	190
2017	256	210	199
2016	258	209	196
2015	241	187	183

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked New Castle County Private Elementary Schools (2026-27)

New Castle County Private Elementary Schools (Closed)

Overview

Trends in Total Number of Private Elementary Schools

Trends in the Average Number of Students Per Private Elementary School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

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

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2019-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

Recent Articles

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Best New Castle County Private Elementary Schools (2026-27)

Top Ranked New Castle County Private Elementary Schools (2026-27)

New Castle County Private Elementary Schools (Closed)

Overview

Trends in Total Number of Private Elementary Schools

Trends in the Average Number of Students Per Private Elementary School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

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

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2019-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

More Articles