Charter School Of Wilmington (Ranked Top 1% for 2026)

100 North Dupont Road
Wilmington, DE 19807

10/

Top 1%

The Charter School of Wilmington is a college preparatory charter high school in Wilmington, Delaware. It is Delaware's first independently operated public school whose curriculum emphasizes math and science. It shares the former Wilmington High School building with Cab Calloway School of the Arts.

Serving 971 students in grades 9-12, Charter School Of Wilmington ranks in the top 1% of all schools in Delaware for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).

The percentage of students achieving is 87% (which is higher than the Delaware state average of 31%). The percentage of students achieving is 94% (which is higher than the Delaware state average of 42%).

The student-teacher ratio of 19:1 is higher than the Delaware state level of 14:1.

Minority enrollment is 57% of the student body (majority Asian), which is lower than the Delaware state average of 61% (majority Black and Hispanic).

Quick Facts (2026)

School Type: Charter School
Grades: 9-12
Enrollment: 971 students
Student-Teacher Ratio: 19:1
Minority Enrollment: 57%
: ≥99% (Top 5% in DE)
: Top 1%
: 87% (Top 1%)
: 94% (Top 1%)
: 54% (Top 5%)
Source: National Center for Education Statistics (NCES), DE Dept. of Education

<�鶹��ý class="so-dt-title" id="top-rankings">Top Rankings

Charter School Of Wilmington ranks among the top 20% of public schools in Delaware for:

Category

Attribute

Overall Rank

Highest overall rank (Top 1%)

Math Proficiency

Highest math proficiency (Top 1%)

Reading/Language Arts Proficiency

Highest reading/language arts proficiency (Top 1%)

Science Proficiency

Highest science proficiency (Top 5%)

Graduation Rate

Highest graduation rate (Top 5%)

<�鶹��ý class='so-dt-title' id="overview">School Overview

Charter School Of Wilmington's student population of 971 students has stayed relatively flat over five school years.

The teacher population of 52 teachers has grown by 6% over five school years.

School Type

Charter School

Awards

Blue Ribbon School - Selected in 2013, 2019

Grades Offered

Grades 9-12
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Charter School Of Wilmington
9	247
10	241
11	240
12	243

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Total Students

971 students

View Data

Total Students Trends Over Years (1999-2023)
Year	Charter School Of Wilmington
2023	968
2022	971
2021	965
2020	972
2019	972
2018	971
2017	971
2016	972
2015	972
2014	970
2013	970
2012	970
2011	970
2010	987
2009	960
2008	957
2007	949
2006	935
2005	936
2004	915
2003	937
2002	888
2001	798
2000	679
1999	552

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Gender %

Total Classroom Teachers

52 teachers

View Data

Total Classroom Teachers Trends Over Years (1999-2023)
Year	Charter School Of Wilmington
2023	51
2022	50
2021	49
2020	51
2019	51
2018	50
2017	50
2016	49
2015	203
2014	194
2013	174
2012	48
2011	48
2010	47
2009	46
2008	46
2007	46
2006	48
2005	47
2004	45
2003	44
2002	43
2001	37
2000	35
1999	28

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Year Founded

1996

Colors

White, Blue

School Calendar

Average Class Size

15 students

<�鶹��ý class='so-dt-title' id="school-rankings">School Rankings

Charter School Of Wilmington ranks within the top 1% of all 199 schools in Delaware (based off of combined math and reading proficiency testing data).

The of Charter School Of Wilmington is 0.68, which is less than the diversity score at state average of 0.71. The school's diversity has stayed relatively flat over five school years.

This School

State Level (DE)

#1 out of 199 schools
(Top 1%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Charter School Of Wilmington
2023	#1
2022	#1
2021	#1
2019	#1
2018	#1
2017	#1
2016	#1
2015	#1
2014	#1
2013	#1
2012	#3

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87%

31%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	87%	31%	87%
2022	77%	29%	77%
2021	89%	27%	89%
2019	91%	42%	91%
2018	93%	43%	93%
2017	97%	44%	97%
2016	98%	43%	98%
2015	96%	39%	96%
2014	98%	70%	98%
2013	99%	70%	99%
2012	99%	73%	99%

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94%

42%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2022	94%	42%	94%
2021	96%	42%	96%
2019	98%	53%	98%
2018	98%	54%	93%
2017	99%	54%	99%
2016	99%	55%	99%
2015	98%	52%	98%
2014	98%	73%	98%
2013	99%	73%	99%
2012	97%	74%	97%
2011	98%	62%	98%

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54%

21%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2022	54%	21%	54%
2021	77%	24%	77%

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Student-Teacher Ratio

19:1

14:1

View Data

Student-Teacher Ratio Comparison Over Years (1999-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	19:1	14:1	19:1
2022	19:1	14:1	19:1
2021	20:1	14:1	20:1
2020	19:1	15:1	19:1
2019	19:1	15:1	19:1
2018	19:1	15:1	19:1
2017	19:1	15:1	19:1
2016	20:1	15:1	20:1
2015	5:1	14:1	5:1
2014	5:1	15:1	5:1
2013	6:1	15:1	6:1
2012	20:1	15:1	20:1
2011	20:1	15:1	20:1
2010	21:1	15:1	21:1
2009	21:1	15:1	21:1
2008	21:1	15:1	21:1
2007	21:1	16:1	21:1
2006	19:1	16:1	19:1
2005	20:1	16:1	20:1
2004	20:1	16:1	20:1
2003	21:1	16:1	21:1
2002	21:1	16:1	21:1
2001	22:1	16:1	22:1
2000	19:1	16:1	19:1
1999	20:1	17:1	20:1

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American Indian

n/a

Asian

35%

View Data

Asian Student Percentage Comparison Over Years (1999-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	32%	4%	32%
2022	29%	4%	29%
2021	30%	4%	30%
2020	32%	4%	32%
2019	32%	4%	32%
2018	31%	5%	31%
2017	31%	5%	31%
2016	29%	4%	29%
2015	27%	4%	27%
2014	27%	4%	27%
2013	27%	4%	27%
2012	27%	3%	27%
2011	24%	4%	24%
2010	24%	4%	24%
2009	22%	4%	22%
2008	21%	4%	21%
2007	21%	3%	21%
2006	20%	3%	20%
2005	19%	3%	19%
2004	17%	3%	17%
2003	15%	4%	15%
2002	13%	2%	13%
2001	12%	2%	12%
2000	13%	2%	13%
1999	8%	2%	8%

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Hispanic

20%

View Data

Hispanic Student Percentage Comparison Over Years (1999-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	8%	19%	8%
2022	7%	19%	7%
2021	7%	18%	7%
2020	5%	18%	5%
2019	5%	18%	5%
2018	4%	17%	4%
2017	4%	17%	4%
2016	3%	16%	3%
2015	3%	15%	3%
2014	3%	15%	3%
2013	3%	14%	3%
2012	2%	13%	2%
2011	2%	13%	2%
2010	3%	11%	3%
2009	3%	11%	3%
2008	3%	10%	3%
2007	3%	10%	3%
2006	2%	9%	2%
2005	2%	9%	2%
2004	2%	8%	2%
2003	1%	7%	1%
2002	2%	7%	2%
2001	2%	6%	2%
2000	2%	5%	2%
1999	3%	5%	3%

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Black

31%

View Data

Black Student Percentage Comparison Over Years (1999-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	10%	31%	10%
2022	9%	30%	9%
2021	7%	30%	7%
2020	8%	30%	8%
2019	8%	30%	8%
2018	7%	30%	7%
2017	7%	30%	7%
2016	7%	31%	7%
2015	6%	31%	6%
2014	5%	31%	5%
2013	6%	31%	6%
2012	5%	32%	5%
2011	6%	32%	6%
2010	7%	33%	7%
2009	7%	33%	7%
2008	8%	33%	8%
2007	8%	33%	8%
2006	7%	33%	7%
2005	7%	32%	7%
2004	8%	32%	8%
2003	9%	31%	9%
2002	13%	31%	13%
2001	14%	31%	14%
2000	17%	31%	17%
1999	22%	30%	22%

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White

43%

39%

View Data

White Student Percentage Comparison Over Years (1999-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	46%	41%	46%
2022	51%	42%	51%
2021	52%	42%	52%
2020	52%	44%	52%
2019	52%	44%	52%
2018	58%	45%	58%
2017	58%	45%	58%
2016	61%	46%	61%
2015	64%	47%	64%
2014	65%	48%	65%
2013	64%	49%	64%
2012	66%	50%	66%
2011	68%	50%	68%
2010	66%	52%	66%
2009	68%	52%	68%
2008	68%	53%	68%
2007	68%	54%	68%
2006	71%	55%	71%
2005	72%	56%	72%
2004	72%	57%	72%
2003	73%	58%	73%
2002	71%	60%	71%
2001	72%	61%	72%
2000	68%	62%	68%
1999	66%	63%	66%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2019-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	4%	5%	4%
2022	4%	5%	4%
2021	4%	5%	4%
2020	2%	4%	2%
2019	2%	4%	2%

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All Ethnic Groups

0.68

0.71

View Data

Diversity Score Comparison Over Years (1999-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	0.67	0.70	0.67
2022	0.65	0.70	0.65
2021	0.63	0.70	0.63
2020	0.62	0.69	0.62
2019	0.62	0.69	0.62
2018	0.57	0.68	0.57
2017	0.57	0.68	0.57
2016	0.54	0.67	0.54
2015	0.52	0.66	0.52
2014	0.50	0.67	0.51
2013	0.52	0.65	0.52
2012	0.50	0.64	0.49
2011	0.48	0.64	0.48
2010	0.51	0.61	0.51
2009	0.49	0.61	0.49
2008	0.49	0.61	0.49
2007	0.49	0.59	0.49
2006	0.46	0.59	0.46
2005	0.45	0.58	0.44
2004	0.45	0.57	0.45
2003	0.44	0.57	0.44
2002	0.46	0.54	0.47
2001	0.45	0.53	0.45
2000	0.50	0.52	0.50
1999	0.51	0.52	0.51

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≥99%

88%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	99%	88%
2022	99%	88%	99%
2021	99%	80%	99%
2020	99%	88%	99%
2019	99%	88%	99%
2018	99%	87%	99%
2017	99%	87%	99%
2016	99%	85%	99%
2015	98%	86%	98%
2014	99%	87%	99%
2013	95%	81%	95%

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Participates in the

Yes

Eligible for

33%

View Data

Free Lunch Eligibility Comparison Over Years (2000-2023)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2023	4%	34%	4%
2022	4%	34%	4%
2021	4%	35%	4%
2020	4%	36%	4%
2019	4%	36%	4%
2016	3%	38%	3%
2015	2%	37%	2%
2014	2%	39%	2%
2013	1%	47%	1%
2012	1%	43%	1%
2011	2%	42%	2%
2010	2%	40%	2%
2009	2%	33%	2%
2008	1%	30%	1%
2007	1%	31%	1%
2006	1%	31%	1%
2004	1%	28%	1%
2003	1%	29%	1%
2002	1%	28%	1%
2001	2%	26%	2%
2000	4%	27%	4%

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Eligible for (11-12)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2001-2012)
Year	Charter School Of Wilmington	Delaware	Charter School Of Wilmington School District
2012	1%	6%	1%
2011	1%	6%	1%
2010	1%	7%	1%
2009	1%	7%	1%
2008	1%	6%	1%
2007	1%	6%	1%
2006	2%	5%	2%
2004	1%	6%	1%
2003	1%	7%	1%
2002	1%	6%	1%
2001	2%	6%	2%

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School Statewide Testing

School District Name

Charter School Of Wilmington School District

Source: National Center for Education Statistics (NCES), DE Dept. of Education

<�鶹��ý class='so-dt-title' id="school-notes">School Notes

School Mascot: The Force Horse (lightning Bolt)

Profile last updated: 02/09/2025

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<�鶹��ý class='so-dt-title' id='faq'>Frequently Asked Questions

What is Charter School Of Wilmington's ranking?

Charter School Of Wilmington is ranked #1 out of 199 schools, which ranks it among the top 1% of public schools in Delaware.

What schools are Charter School Of Wilmington often compared to?

Charter School Of Wilmingtonis often viewed alongside schools like Newark Charter School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

87% of students have achieved math proficiency (compared to the 31% DE state average), while 94% of students have achieved reading proficiency (compared to the 42% DE state average).

What is the graduation rate of Charter School Of Wilmington?

The graduation rate of Charter School Of Wilmington is 99%, which is higher than the Delaware state average of 88%.

How many students attend Charter School Of Wilmington?

971 students attend Charter School Of Wilmington.

What is the racial composition of the student body?

43% of Charter School Of Wilmington students are White, 35% of students are Asian, 9% of students are Black, 8% of students are Hispanic, and 5% of students are Two or more races.

What is the student-teacher ratio of Charter School Of Wilmington?

Charter School Of Wilmington has a student ration of 19:1, which is higher than the Delaware state average of 14:1.

What grades does Charter School Of Wilmington offer ?

Charter School Of Wilmington offers enrollment in grades 9-12 (No virtual instruction).

What school district is Charter School Of Wilmington part of?

Charter School Of Wilmington is part of Charter School Of Wilmington School District.

In what neighborhood is Charter School Of Wilmington located?

Charter School Of Wilmington is located in the Westmoreland neighborhood of Wilmington, DE. There are 1 other public schools located in Westmoreland.

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