Marbrook Elementary School (Ranked Top 30% for 2025-26)

2101 Centerville Road
Wilmington, DE 19808

( shown in map)

Top 30%

Serving 431 students in grades Kindergarten-5, Marbrook Elementary School ranks in the top 30% of all schools in Delaware for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).

The percentage of students achieving is 40-44% (which is higher than the Delaware state average of 31%). The percentage of students achieving is 53% (which is higher than the Delaware state average of 42%).

The student-teacher ratio of 12:1 is lower than the Delaware state level of 14:1.

Minority enrollment is 64% of the student body (majority Hispanic), which is higher than the Delaware state average of 61% (majority Black and Hispanic).

Quick Facts (2025-26)

Grades: Kindergarten-5
Enrollment: 431 students
Student-Teacher Ratio: 12:1
Minority Enrollment: 64%
: Top 30% in DE
: 40-44% (Top 30%)
: 53% (Top 20%)
: 20-24% (Top 50%)
Source: National Center for Education Statistics (NCES), DE Dept. of Education

Top Rankings

Marbrook Elementary School ranks among the top 20% of public schools in Delaware for:

School Overview

Marbrook Elementary School's student population of 431 students has stayed relatively flat over five school years.

The teacher population of 37 teachers has grown by 12% over five school years.

Awards

Blue Ribbon School - Selected in 2009

Grades Offered

Grades Kindergarten-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Marbrook Elementary School
Kind	79
1	77
2	66
3	71
4	74
5	64

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Total Students

431 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Marbrook Elementary School
2023	399
2022	428
2021	428
2020	419
2019	419
2018	418
2017	418
2016	484
2015	539
2014	593
2013	548
2012	548
2011	586
2010	545
2009	546
2008	456
2007	431
2006	413
2005	519
2004	541
2003	556
2002	567
2001	533
2000	525
1999	546
1998	523
1997	536
1996	496
1995	495
1994	430
1993	469
1992	597
1991	598
1990	625
1989	569
1988	556
1987	507

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Gender %

Total Classroom Teachers

37 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2023)
Year	Marbrook Elementary School
2023	38
2022	37
2021	35
2020	33
2019	33
2018	30
2017	30
2016	32
2015	38
2014	37
2013	40
2012	35
2011	45
2010	35
2009	32
2008	26
2007	27
2006	28
2005	33
2004	33
2003	34
2002	33
2001	30
2000	32
1999	29
1998	31
1997	30
1996	27
1995	29
1994	25
1993	28
1992	35
1991	35
1990	35
1989	35
1988	32
1987	32

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Year Founded

1905

School Rankings

Marbrook Elementary School ranks within the top 30% of all 199 schools in Delaware (based off of combined math and reading proficiency testing data).

The of Marbrook Elementary School is 0.61, 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)

#41 out of 199 schools
(Top 30%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Marbrook Elementary School
2023	#41
2022	#44
2021	#101
2019	#74
2018	#84
2017	#121
2016	#157
2015	#146
2014	#134
2013	#170
2012	#168

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40-44%

31%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	42%	31%	32%
2022	43%	29%	30%
2021	22%	27%	27%
2019	47%	42%	38%
2018	45%	43%	37%
2017	38%	44%	37%
2016	29%	43%	38%
2015	27%	39%	37%
2014	65%	70%	64%
2013	47%	70%	66%
2012	48%	73%	67%

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53%

42%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2022	53%	42%	42%
2021	37%	42%	42%
2019	57%	53%	49%
2018	55%	54%	37%
2017	48%	54%	49%
2016	37%	55%	51%
2015	38%	52%	48%
2014	64%	73%	69%
2013	54%	73%	71%
2012	52%	74%	69%
2011	30%	62%	56%

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20-24%

21%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2022	22%	21%	20%
2021	12%	24%	24%

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Student-Teacher Ratio

12:1

14:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	11:1	14:1	14:1
2022	12:1	14:1	14:1
2021	12:1	14:1	14:1
2020	13:1	15:1	15:1
2019	13:1	15:1	15:1
2018	14:1	15:1	16:1
2017	14:1	15:1	16:1
2016	15:1	15:1	16:1
2015	14:1	14:1	14:1
2014	16:1	15:1	14:1
2013	14:1	15:1	14:1
2012	16:1	15:1	16:1
2011	13:1	15:1	15:1
2010	16:1	15:1	16:1
2009	17:1	15:1	17:1
2008	18:1	15:1	17:1
2007	16:1	16:1	18:1
2006	15:1	16:1	17:1
2005	16:1	16:1	18:1
2004	16:1	16:1	17:1
2003	16:1	16:1	17:1
2002	17:1	16:1	17:1
2001	18:1	16:1	17:1
2000	16:1	16:1	18:1
1999	19:1	17:1	18:1
1998	17:1	17:1	18:1
1997	18:1	17:1	19:1
1996	18:1	17:1	19:1
1995	17:1	17:1	19:1
1994	17:1	17:1	18:1
1993	17:1	17:1	18:1
1992	17:1	18:1	18:1
1991	17:1	18:1	18:1
1990	18:1	18:1	17:1
1989	16:1	18:1	17:1
1988	17:1	17:1	17:1
1987	16:1	17:1	17:1

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American Indian

n/a

Asian

View Data

Asian Student Percentage Comparison Over Years (1994-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	1%	4%	5%
2022	1%	4%	5%
2021	1%	4%	5%
2020	2%	4%	6%
2019	2%	4%	6%
2018	1%	5%	5%
2017	1%	5%	5%
2016	1%	4%	5%
2014	1%	4%	5%
2013	1%	4%	6%
2012	1%	3%	6%
2011	1%	4%	5%
2010	1%	4%	5%
2009	1%	4%	5%
2007	1%	3%	4%
2006	1%	3%	4%
2005	5%	3%	4%
2004	3%	3%	4%
2003	5%	4%	5%
2002	5%	2%	4%
2001	3%	2%	3%
2000	3%	2%	4%
1999	3%	2%	3%
1998	3%	2%	3%
1997	3%	2%	3%
1996	2%	2%	3%
1995	2%	2%	3%
1994	1%	2%	3%

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Hispanic

51%

20%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	48%	19%	30%
2022	46%	19%	30%
2021	50%	18%	30%
2020	54%	18%	30%
2019	54%	18%	30%
2018	60%	17%	29%
2017	60%	17%	29%
2016	64%	16%	28%
2015	74%	15%	27%
2014	71%	15%	26%
2013	73%	14%	25%
2012	69%	13%	24%
2011	69%	13%	23%
2010	66%	11%	22%
2009	62%	11%	22%
2008	64%	10%	21%
2007	61%	10%	20%
2006	53%	9%	19%
2005	32%	9%	18%
2004	30%	8%	17%
2003	35%	7%	15%
2002	26%	7%	14%
2001	25%	6%	13%
2000	26%	5%	12%
1999	33%	5%	13%
1998	30%	5%	13%
1997	29%	4%	12%
1996	23%	4%	11%
1995	17%	4%	9%
1994	11%	3%	9%
1993	12%	3%	9%
1992	9%	3%	9%
1991	3%	3%	8%

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Black

31%

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	9%	31%	24%
2022	9%	30%	23%
2021	11%	30%	22%
2020	9%	30%	22%
2019	9%	30%	22%
2018	8%	30%	23%
2017	8%	30%	23%
2016	8%	31%	23%
2015	7%	31%	24%
2014	6%	31%	23%
2013	6%	31%	23%
2012	6%	32%	23%
2011	9%	32%	24%
2010	12%	33%	25%
2009	13%	33%	25%
2008	8%	33%	26%
2007	6%	33%	27%
2006	7%	33%	28%
2005	18%	32%	29%
2004	18%	32%	29%
2003	15%	31%	29%
2002	18%	31%	29%
2001	22%	31%	30%
2000	22%	31%	30%
1999	24%	30%	30%
1998	23%	30%	29%
1997	26%	29%	30%
1996	27%	29%	30%
1995	28%	29%	30%
1994	30%	28%	29%
1993	27%	28%	29%
1992	26%	27%	28%
1991	31%	27%	27%

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White

36%

39%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	38%	41%	37%
2022	39%	42%	39%
2021	33%	42%	39%
2020	28%	44%	39%
2019	28%	44%	39%
2018	25%	45%	41%
2017	25%	45%	41%
2016	24%	46%	42%
2015	18%	47%	43%
2014	20%	48%	44%
2013	19%	49%	45%
2012	23%	50%	46%
2011	20%	50%	47%
2010	21%	52%	48%
2009	24%	52%	48%
2008	28%	53%	48%
2007	32%	54%	49%
2006	39%	55%	49%
2005	45%	56%	49%
2004	47%	57%	50%
2003	44%	58%	51%
2002	50%	60%	53%
2001	50%	61%	54%
2000	49%	62%	54%
1999	40%	63%	54%
1998	44%	63%	55%
1997	42%	65%	55%
1996	48%	65%	56%
1995	53%	65%	58%
1994	58%	67%	59%
1993	59%	67%	59%
1992	63%	68%	60%
1991	66%	68%	62%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	4%	5%	4%
2022	4%	5%	3%
2021	5%	5%	4%
2020	7%	4%	3%
2019	7%	4%	3%
2018	6%	3%	2%
2017	6%	3%	2%
2016	3%	3%	2%
2015	1%	3%	1%
2014	2%	2%	2%
2013	1%	2%	1%

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All Ethnic Groups

0.61

0.71

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	0.62	0.70	0.72
2022	0.63	0.70	0.71
2021	0.63	0.70	0.71
2020	0.62	0.69	0.71
2019	0.62	0.69	0.71
2018	0.57	0.68	0.70
2017	0.57	0.68	0.70
2016	0.53	0.67	0.70
2015	0.42	0.66	0.69
2014	0.46	0.67	0.69
2013	0.43	0.65	0.68
2012	0.47	0.64	0.68
2011	0.48	0.64	0.67
2010	0.51	0.61	0.66
2009	0.55	0.61	0.66
2008	0.52	0.61	0.66
2007	0.53	0.59	0.65
2006	0.57	0.59	0.65
2005	0.67	0.58	0.64
2004	0.66	0.57	0.64
2003	0.67	0.57	0.63
2002	0.65	0.54	0.62
2001	0.64	0.53	0.61
2000	0.65	0.52	0.61
1999	0.68	0.52	0.61
1998	0.67	0.51	0.60
1997	0.68	0.50	0.60
1996	0.65	0.50	0.59
1995	0.62	0.49	0.57
1994	0.57	0.48	0.57
1993	0.57	0.47	0.56
1992	0.53	0.47	0.55
1991	0.47	0.46	0.54

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Participates in the

Yes

Eligible for

57%

33%

View Data

Free Lunch Eligibility Comparison Over Years (1991-2023)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2023	61%	34%	43%
2022	57%	34%	43%
2021	57%	35%	43%
2020	58%	36%	44%
2019	58%	36%	44%
2016	50%	38%	43%
2015	51%	37%	43%
2014	56%	39%	44%
2013	79%	47%	48%
2012	75%	43%	46%
2011	76%	42%	44%
2010	72%	40%	42%
2009	62%	33%	37%
2008	50%	30%	35%
2007	52%	31%	35%
2006	40%	31%	32%
2005	41%	29%	31%
2004	33%	28%	31%
2003	36%	29%	30%
2002	38%	28%	33%
2001	43%	26%	31%
2000	43%	27%	31%
1999	46%	28%	30%
1998	48%	30%	36%
1997	45%	30%	32%
1996	44%	29%	35%
1995	43%	29%	34%
1994	35%	27%	33%
1993	37%	25%	29%
1992	23%	21%	25%
1991	26%	19%	21%

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Eligible for (12-13)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (1999-2013)
Year	Marbrook Elementary School	Delaware	Red Clay Consolidated School District
2013	5%	5%	4%
2012	9%	6%	5%
2011	6%	6%	5%
2010	9%	7%	6%
2009	12%	7%	7%
2008	9%	6%	6%
2007	10%	6%	6%
2006	4%	5%	4%
2005	6%	6%	5%
2004	6%	6%	5%
2003	7%	7%	6%
2002	5%	6%	6%
2001	6%	6%	6%
2000	6%	6%	6%
1999	6%	6%	5%

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School Statewide Testing

School District Name

Red Clay Consolidated School District

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

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Marbrook Elementary School's ranking?

Marbrook Elementary School is ranked #41 out of 199 schools, which ranks it among the top 30% of public schools in Delaware.

What schools are Marbrook Elementary School often compared to?

Marbrook Elementary Schoolis often viewed alongside schools like Brandywine Springs School, Linden Hill Elementary School by visitors of our site.

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

40-44% of students have achieved math proficiency (compared to the 31% DE state average), while 53% of students have achieved reading proficiency (compared to the 42% DE state average).

How many students attend Marbrook Elementary School?

431 students attend Marbrook Elementary School.

What is the racial composition of the student body?

51% of Marbrook Elementary School students are Hispanic, 36% of students are White, 8% of students are Black, 4% of students are Two or more races, and 1% of students are Asian.

What is the student-teacher ratio of Marbrook Elementary School?

Marbrook Elementary School has a student ration of 12:1, which is lower than the Delaware state average of 14:1.

What grades does Marbrook Elementary School offer ?

Marbrook Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).

What school district is Marbrook Elementary School part of?

Marbrook Elementary School is part of Red Clay Consolidated School District.