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Best Wilmington Private High Schools (2026)

[+] Show Closed Private Schools in Wilmington, Delaware

Wilmington, Delaware Private Schools (Closed)

School

Location

Quick Facts

All Saints Catholic School (Closed 2024)

(Catholic)

907 New Rd
Wilmington, DE 19805
(302) 995-2231

Gr: PK-8 | 229 students Avg. class size: 20 students Tuition & acceptance rate listed

Bright Horizons Family Solutions (Closed 2021)

Daycare / Preschool

1401 Faulkland Road
Wilmington, DE 19805
(302) 633-1600

Gr: PK-K | 24 students

Christ Our King Catholic School (Closed 2004)

(Catholic)

510 West 28 Street
Wilmington, DE 19802
(302) 762-4031

Gr: PK-8 | 106 students

Destiny Calling Academy (Closed 2025)

(Christian)

5810-C Kirkwood Highway
Wilmington, DE 19808
(800) 677-7904

Gr: K-12 Tuition listed

Elementary Workshop Montessori School (Closed 2010)

Montessori School

502 N Pine St
Wilmington, DE 19801
(302) 656-1498

Gr: PK-4 | 43 students Avg. class size: 16 students Tuition & acceptance rate listed

St. Hedwig Elementary School (Closed 2006)

(Catholic)

304 S Harrison Street
Wilmington, DE 19805
(302) 594-1402

Gr: PK-8 | 183 students

St. Helena Elementary School (Closed 2006)

(Catholic)

210 Bellefonte Avenue
Wilmington, DE 19809
(302) 762-5595

Gr: K-8 | 190 students

St. Thomas The Apostle (Closed 2006)

(Catholic)

201 Bayard Avenue
Wilmington, DE 19805
(302) 654-0746

Gr: PK-8 | 246 students

Zion Early Education Center (Closed 2015)

Daycare / Preschool (Christian)

2101 Lancaster Ave
Wilmington, DE 19805
(302) 655-7874

Gr: PK-K | 25 students

Overview

This Town (Wilmington)

This State (DE)

# Schools

15 Schools

View Data

Trends in Total Number of Private High Schools
Year	Wilmington, DE Total Schools
2025	14
2024	15
2023	14
2022	13
2021	13
2020	17
2019	18
2018	17
2017	17
2016	17
2015	17

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Student Body:

# Students

5,695 Students

12,388 Students

View Data

Trends in the Average Number of Students Per Private High School
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	375	289	253
2024	374	277	245
2023	402	282	247
2022	516	316	257
2021	516	315	249
2020	424	279	235
2019	393	300	242
2018	458	316	238
2017	439	322	246
2016	440	321	241
2015	440	296	220

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% Average Students of Color

26%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	26%	26%	32%
2024	19%	25%	31%
2023	24%	26%	31%
2022	21%	23%	30%
2021	21%	22%	30%
2020	20%	21%	29%
2019	21%	21%	29%
2018	19%	20%	28%
2017	27%	25%	30%
2016	27%	25%	30%
2015	24%	26%	30%

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Academics and Faculty:

# Teachers

611 Teachers

1,419 Teachers

Average Student-Teacher Ratio

9:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	9:1	9:1	10:1
2024	9:1	9:1	10:1
2023	9:1	9:1	10:1
2022	9:1	9:1	10:1
2021	9:1	9:1	10:1
2020	9:1	8:1	10:1
2019	9:1	9:1	10:1
2018	9:1	9:1	10:1
2017	9:1	9:1	10:1
2016	9:1	9:1	10:1
2015	10:1	9:1	10:1

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% Average Faculty w/Advanced Degree

58%

54%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	62%	55%	57%
2024	64%	53%	57%
2023	65%	54%	57%
2022	62%	49%	56%
2021	62%	47%	56%
2020	63%	48%	56%
2019	51%	41%	55%
2018	51%	41%	55%
2017	51%	44%	55%
2016	47%	43%	54%
2015	46%	44%	54%

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Average Class Size

14 students

15 students

View Data

Class Size Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	14	15	14
2024	14	14	14
2023	14	14	14
2022	15	15	14
2021	16	15	14
2020	16	15	14
2019	17	16	14
2018	17	16	14
2017	15	14	14
2016	16	14	14
2015	15	14	14

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Average Number of AP Courses

16 courses

15 courses

View Data

Trends in Average Number of AP Courses Offered
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	15	14	13
2024	16	15	12
2023	16	14	12
2022	18	15	12
2021	21	17	12
2020	22	17	12
2019	21	17	11
2018	22	18	11
2017	21	16	11
2016	21	15	11
2015	23	16	10

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Average SAT score

1233

(Out of 1600)

1222

View Data

SAT Score Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	1,315	1,241	1,233
2024	1,225	1,219	1,231
2023	1,233	1,215	1,229
2022	1,250	1,220	1,230
2021	1,265	1,217	1,230
2020	1,283	1,218	1,227
2019	1,260	1,217	1,226
2018	1,260	1,217	1,226
2017	1,257	1,208	1,233
2016	1,589	1,464	1,308
2015	1,589	1,396	1,265

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Average ACT score

(Out of 36)

View Data

ACT Score Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	28	27	26
2024	28	27	26
2023	28	27	26
2022	29	27	26
2021	29	26	26
2020	27	25	26
2019	27	25	25
2018	27	25	25
2017	27	25	25
2016	26	23	25
2015	26	24	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$24,428

$19,226

View Data

Tuition Cost Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	$24,428	$19,113	$17,997
2024	$21,039	$14,218	$17,011
2023	$18,396	$12,121	$16,191
2022	$19,025	$11,445	$15,821
2021	$18,921	$11,825	$15,331
2020	$18,582	$11,673	$15,046
2019	$16,771	$12,261	$14,791
2018	$13,260	$10,563	$14,527
2017	$17,595	$11,985	$14,161
2016	$16,824	$11,809	$13,713
2015	$17,288	$11,076	$13,065

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Average Summer Program Cost

$373

$323

View Data

Summer Program Cost Trends (2019-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	$363	$363	$1,513
2024	$345	$345	$1,498
2023	$345	$345	$1,623
2022	$340	$340	$1,473
2021	$340	$340	$1,580
2020	$340	$340	$1,743
2019	$340	$340	$1,900

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Average % on Financial Aid

43%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	43%	42%	38%
2024	41%	40%	37%
2023	41%	40%	36%
2022	45%	38%	36%
2021	45%	38%	36%
2020	42%	37%	35%
2019	37%	36%	34%
2018	31%	33%	33%
2017	30%	31%	32%
2016	26%	30%	31%
2015	23%	29%	30%

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Average Financial Aid Grant

$8,341

$14,430

View Data

Financial Aid Grant Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	$5,367	$13,797	$9,714
2024	$5,067	$4,300	$9,498
2023	$5,067	$3,780	$8,890
2022	$6,672	$5,115	$8,717
2021	$6,672	$4,261	$8,472
2020	$6,575	$4,213	$8,370
2019	$6,450	$4,150	$7,924
2018	$5,067	$3,780	$7,471
2017	$5,067	$3,317	$7,202
2016	$4,833	$3,200	$6,993
2015	$4,833	$3,200	$6,822

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Average Acceptance Rate

79%

85%

View Data

Acceptance Rate Trends (2015-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	80%	87%	79%
2024	84%	90%	81%
2023	84%	90%	81%
2022	74%	89%	81%
2021	74%	87%	81%
2020	74%	87%	81%
2019	70%	81%	81%
2018	72%	82%	80%
2017	65%	82%	81%
2016	67%	83%	80%
2015	67%	83%	81%

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Average Endowment Size

$140.33 million

$70.51 million

View Data

Endowment Trends (2019-2025)
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	$208 M	$81 M	$65 M
2024	$55 M	$55 M	$65 M
2023	$55 M	$55 M	$65 M
2022	$5 M	$5 M	$67 M
2021	$5 M	$5 M	$75 M
2020	$5 M	$5 M	$76 M
2019	$5 M	$5 M	$61 M

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Students by Ethnicity:

0.47

0.53

View Data

Diversity Score Trends
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	0.42	0.51	0.61
2024	0.42	0.48	0.60
2023	0.35	0.45	0.60
2022	0.31	0.41	0.58
2021	0.31	0.41	0.57
2020	0.35	0.41	0.57
2019	0.35	0.42	0.56
2018	0.34	0.42	0.55
2017	0.30	0.37	0.54
2016	0.30	0.36	0.54
2015	0.31	0.39	0.53

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# American Indian Students

4 Students

11 Students

% American Indian Students

n/a

# Asian Students

122 Students

519 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	2%	5%	5%
2024	2%	5%	6%
2023	3%	5%	6%
2022	2%	4%	5%
2021	2%	4%	5%
2020	2%	4%	5%
2019	2%	4%	5%
2018	3%	4%	5%
2017	2%	3%	4%
2016	2%	3%	4%
2015	2%	4%	4%

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# Hispanic Students

175 Students

471 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	4%	4%	9%
2024	4%	4%	9%
2023	2%	3%	8%
2022	2%	3%	8%
2021	2%	3%	8%
2020	4%	4%	8%
2019	4%	3%	8%
2018	4%	3%	8%
2017	4%	3%	7%
2016	4%	3%	8%
2015	4%	3%	8%

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# Black Students

498 Students

1,123 Students

% Black Students

10%

View Data

Black Student Percentage Trends
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	10%	10%	8%
2024	10%	10%	8%
2023	6%	8%	8%
2022	6%	8%	8%
2021	6%	8%	8%
2020	6%	8%	8%
2019	6%	7%	8%
2018	6%	7%	8%
2017	6%	7%	8%
2016	6%	7%	8%
2015	6%	8%	9%

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# White Students

3,813 Students

7,737 Students

% White Students

72%

66%

View Data

White Student Percentage Trends
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	75%	68%	59%
2024	75%	71%	60%
2023	80%	73%	60%
2022	83%	76%	62%
2021	83%	76%	63%
2020	80%	76%	64%
2019	80%	75%	64%
2018	80%	75%	65%
2017	83%	79%	66%
2016	83%	79%	66%
2015	83%	77%	66%

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# Hawaiian Students

2 Students

6 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

722 Students

1,860 Students

% of Others Students

14%

16%

View Data

Other Races Student Percentage Trends
Year	Wilmington, DE Average	Delaware (DE) Average	National Average
2025	9%	13%	17%
2024	9%	10%	15%
2023	9%	11%	16%
2022	7%	9%	16%
2021	7%	9%	15%
2020	8%	8%	14%
2019	8%	11%	14%
2018	7%	11%	13%
2017	5%	8%	14%
2016	5%	8%	13%
2015	5%	8%	12%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

29 extracurriculars

19 extracurriculars

Average Number of Sports

14 sports

11 sports

Frequently Asked Questions

What are the top-ranked private high schools in Wilmington, DE?

The private high schools in Wilmington, DE include The Tatnall School, Ursuline Academy, and St. Elizabeth School.

How many private high schools are located in Wilmington?

15 private high schools are located in Wilmington.

How diverse are private high schools in Wilmington?

Wilmington private high schools are approximately 26% minority students, which is same as the Delaware private school average of 26%.

What percentage of private high schools are religiously affiliated in Wilmington?

60% of private high schools in Wilmington are religiously affiliated (most commonly Catholic and Baptist).

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

Popular comparisons of private high schools in Wilmington include: High Road School Of Delaware vs. Centreville Layton School

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