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Best New Castle County �� High Schools (2026)

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

New Castle County �� Schools (Closed)

School

Location

Quick Facts

Advoserv (Closed 2020)

Special Education School

2520 Wrangle Hill Rd # 200
Bear, DE 19701
(302) 365-8050

Gr: NS | 86 students

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

Gem School Inc (the) (Closed 2021)

Alternative School

100 Patriot Dr
Middletown, DE 19709
(302) 464-1171

Gr: PK-K | 118 students

The Goddard School (Closed 2021)

Daycare / Preschool

614 Pulaski Highway
Bear, DE 19701
(302) 322-5040

Gr: NS-K

Holy Spirit Elementary School (Closed 2004)

(Catholic)

Church Drive Garfield Pk
New Castle, DE 19720
(302) 658-5345

Gr: PK-8 | 207 students

Our Lady Of Fatima School (Closed 2015)

(Catholic)

801 N Dupont Hwy
New Castle, DE 19720
(302) 328-2803

Gr: NS-8 | 324 students

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. Peter Catholic School (Closed 2025)

(Catholic)

515 Harmony St
New Castle, DE 19720
(302) 328-1191

Gr: PK-8 | 170 students Avg. class size: 17 students

St. Thomas The Apostle (Closed 2006)

(Catholic)

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

Gr: PK-8 | 246 students

Super Kids (Closed 2017)

Daycare / Preschool

1411 Old Baltimore Pike
Newark, DE 19702
(302) 453-9373

Gr: PK-K | 85 students Avg. class size: 20 students Acceptance rate listed

Tender Loving Kare Childcare & Learning Center Ii (Closed 2013)

Daycare / Preschool

400 N Ramunno Dr
Middletown, DE 19709
(302) 449-1711

Gr: K-1 | 30 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 County (New Castle County)

This State (DE)

# Schools

29 Schools

View Data

Trends in Total Number of �� High Schools
Year	New Castle County Total Schools
2025	29
2024	30
2023	27
2022	27
2021	27
2020	31
2019	32
2018	32
2017	30
2016	30
2015	33

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Student Body:

# Students

10,507 Students

11,854 Students

View Data

Trends in the Average Number of Students Per �� High School
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	362	289	253
2024	345	277	245
2023	372	282	247
2022	402	316	257
2021	401	315	249
2020	367	279	235
2019	373	300	242
2018	395	316	238
2017	413	322	246
2016	412	321	241
2015	384	296	220

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% Average Students of Color

27%

26%

View Data

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

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Academics and Faculty:

# Teachers

1,242 Teachers

1,368 Teachers

Average Student-Teacher Ratio

8:1

9:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	8:1	9:1	10:1
2024	8:1	9:1	10:1
2023	9:1	9:1	10:1
2022	9:1	9:1	10:1
2021	8:1	9:1	10:1
2020	8:1	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	9:1	9:1	10:1

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% Average Faculty w/Advanced Degree

53%

55%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	53%	55%	57%
2024	52%	53%	57%
2023	51%	54%	57%
2022	46%	49%	56%
2021	46%	47%	56%
2020	47%	48%	56%
2019	39%	41%	55%
2018	39%	41%	55%
2017	39%	44%	55%
2016	40%	43%	54%
2015	40%	44%	54%

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Average Class Size

15 students

View Data

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

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Average Number of AP Courses

15 courses

14 courses

View Data

Trends in Average Number of AP Courses Offered
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	15	14	13
2024	16	15	12
2023	16	14	12
2022	16	15	12
2021	19	17	12
2020	19	17	12
2019	19	17	11
2018	19	18	11
2017	18	16	11
2016	17	15	11
2015	18	16	10

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Average SAT score

1241

(Out of 1600)

1241

View Data

SAT Score Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	1,241	1,241	1,233
2024	1,219	1,219	1,231
2023	1,224	1,215	1,229
2022	1,220	1,220	1,230
2021	1,227	1,217	1,230
2020	1,230	1,218	1,227
2019	1,228	1,217	1,226
2018	1,228	1,217	1,226
2017	1,218	1,208	1,233
2016	1,433	1,464	1,308
2015	1,396	1,396	1,265

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Average ACT score

(Out of 36)

View Data

ACT Score Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	27	27	26
2024	27	27	26
2023	27	27	26
2022	27	27	26
2021	27	26	26
2020	25	25	26
2019	25	25	25
2018	25	25	25
2017	25	25	25
2016	22	23	25
2015	23	24	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$21,867

$19,113

View Data

Tuition Cost Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	$21,867	$19,113	$17,997
2024	$16,719	$14,218	$17,011
2023	$14,851	$12,121	$16,191
2022	$13,641	$11,445	$15,821
2021	$13,937	$11,825	$15,331
2020	$13,739	$11,673	$15,046
2019	$15,342	$12,261	$14,791
2018	$12,969	$10,563	$14,527
2017	$16,846	$11,985	$14,161
2016	$15,011	$11,809	$13,713
2015	$14,761	$11,076	$13,065

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Average Summer Program Cost

$363

View Data

Summer Program Cost Trends (2019-2025)
Year	New Castle County 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

45%

42%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	45%	42%	38%
2024	43%	40%	37%
2023	43%	40%	36%
2022	41%	38%	36%
2021	41%	38%	36%
2020	39%	37%	35%
2019	38%	36%	34%
2018	34%	33%	33%
2017	33%	31%	32%
2016	31%	30%	31%
2015	29%	29%	30%

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Average Financial Aid Grant

$15,763

$13,797

View Data

Financial Aid Grant Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	$15,763	$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

85%

87%

View Data

Acceptance Rate Trends (2015-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	85%	87%	79%
2024	89%	90%	81%
2023	89%	90%	81%
2022	86%	89%	81%
2021	86%	87%	81%
2020	86%	87%	81%
2019	77%	81%	81%
2018	78%	82%	80%
2017	74%	82%	81%
2016	75%	83%	80%
2015	75%	83%	81%

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Average Endowment Size

$81.43 million

View Data

Endowment Trends (2019-2025)
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	$81 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:

0.51

View Data

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

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# American Indian Students

9 Students

11 Students

% American Indian Students

n/a

# Asian Students

490 Students

511 Students

% Asian Students

View Data

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

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# Hispanic Students

412 Students

470 Students

% Hispanic Students

View Data

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

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# Black Students

989 Students

1,113 Students

% Black Students

10%

View Data

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

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# White Students

6,727 Students

7,612 Students

% White Students

68%

View Data

White Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	68%	68%	59%
2024	71%	71%	60%
2023	75%	73%	60%
2022	78%	76%	62%
2021	78%	76%	63%
2020	76%	76%	64%
2019	75%	75%	64%
2018	76%	75%	65%
2017	80%	79%	66%
2016	81%	79%	66%
2015	79%	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

1,300 Students

1,510 Students

% of Others Students

13%

View Data

Other Races Student Percentage Trends
Year	New Castle County Average	Delaware (DE) Average	National Average
2025	13%	13%	17%
2024	9%	10%	15%
2023	9%	11%	16%
2022	8%	9%	16%
2021	8%	9%	15%
2020	8%	8%	14%
2019	10%	11%	14%
2018	9%	11%	13%
2017	7%	8%	14%
2016	6%	8%	13%
2015	7%	8%	12%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

21 extracurriculars

20 extracurriculars

Average Number of Sports

12 sports

10 sports

Frequently Asked Questions

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

The private high schools in New Castle County, DE include Archmere Academy, St. Elizabeth School, and Tower Hill School.

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

29 private high schools are located in New Castle County.

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

The average tuition cost is $21,867, which is higher than the Delaware private school average tuition cost of $19,113.

How diverse are private high schools in New Castle County?

New Castle County private high schools are approximately 27% minority students, which is higher than the Delaware private school average of 26%.

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

72% of private high schools in New Castle County are religiously affiliated (most commonly Christian and Catholic).

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

Popular comparisons of private high schools in New Castle County include: High Road School Of Delaware vs. Centreville Layton School, Glasgow Christian Academy vs. Fairwinds Christian School

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