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SCHOOL COMMUNITY·RED CLAY CONSOLIDATED SCHOOL DISTRICT·NCES 100130000255

Marbrook Elementary School

2101 Centerville Road, Wilmington, DE 19808 · (302) 992-5555 · New Castle County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL465 STUDENTS
Enrollment
465
Elementary
DISTRICT 470 · STATE 461
Student : Teacher
12.1:1
39 FTE teachers
DISTRICT 12.8:1 · STATE 13.9:1
Free / Reduced Lunch
,
Title I proxy
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
93
Grade 1
78
Grade 2
76
Grade 3
77
Grade 4
73
Grade 5
68
Student demographics
White
36%
DISTRICT 37% · STATE 38%
Hispanic
51%
DISTRICT 30% · STATE 20%
Black
9%
DISTRICT 24% · STATE 31%
Asian
1%
DISTRICT 5% · STATE 4%
Two+
2%
DISTRICT 4% · STATE 6%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
51%
Female
49%

Discussions

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Test scores

DeSSA + SBAC 2024-25 . % Proficient
English Language Arts
47.4%
DE avg 41.4% . -0.4pp since 2023
Math
42.1%
DE avg 34.0% . -3.7pp since 2023
Source: DeSSA + SBAC. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
465
+39 (+9%) vs 2017
Student : Teacher
12.1:1
was 13.3:1
% White
36%
was 25%
% Hispanic
51%
was 59%
% Black
9%
was 8%
% Asian
1%
was 2%
Source: NCES Common Core of Data

About Marbrook Elementary School

Marbrook Elementary School, a mid-sized K-5 school in Wilmington, Delaware, operated by Red Clay Consolidated School District, serves 465 students, covering grades K through 5.

Red Clay Consolidated School District runs 27 schools in total, collectively educating 14,444 students. Marbrook Elementary School is one of those campuses.

Looking at the student body, Marbrook Elementary School lists that 51% of students identify as Hispanic, with the remaining enrollment distributed across several groups; the rest is composed of 36% White, 9% Black, 2% multiracial. By comparison, New Castle County as a whole is about 12% Hispanic, so the school skews meaningfully more Hispanic than its surroundings.

On the resource side, The school employs 39 full-time-equivalent teachers, for a student-teacher ratio near 12.1:1. That figure is tighter than the state norm's 13.9:1 average.

Across the wider county, the surrounding county (New Castle County) records that the typical household earns roughly $91,166 per year, 40% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. Marbrook Elementary School is one of 129 public schools in New Castle County (combined enrollment of about 78,534 students).

Nearest neighbor: Gateway Charter School, around 0.5 miles off. Within five miles, there are 8 other public schools.

Marbrook Elementary School operates from a commuter-belt location.

Looking at the recent track record. Looking back 7 years, enrollment at Marbrook Elementary School has ticked up 9%, going from 426 students in 2018 to 465 in 2025. The White share of enrollment edged up from 25% to 36% over that span. Class-load math has tightened: from 13.3:1 in 2018 to 12.1:1 in 2025.

In the discussion threads here, posts here usually surface around fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.

New Castle County at a glance

View full county profile
Population
577,961
Census ACS
Median income
$91,166
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
129
78,534 students

Quick facts

School name
Marbrook Elementary School
District
Red Clay Consolidated School District
Address
2101 Centerville Road, Wilmington, DE 19808
Phone
(302) 992-5555
County
New Castle County
Level
Elementary
Grade range
KG–05
Total enrollment
465
Teachers (FTE)
39
Student–teacher ratio
12.1:1
Locale
21-Suburb: Large
NCES ID
100130000255
Charter school
No
Virtual school
No

Related schools

Other schools in Red Clay Consolidated School District
Other schools in Wilmington
Nearby schools

Frequently asked questions

About Marbrook Elementary School
How many students attend Marbrook Elementary School?
Marbrook Elementary School enrolls approximately 465 students in grades KG-05.
Is Marbrook Elementary School an elementary, middle, or high school?
Marbrook Elementary School is an elementary school covering grades KG-05.
How many teachers does Marbrook Elementary School have?
Marbrook Elementary School employs 39 FTE teachers, for a student-to-teacher ratio of 12.1:1.
What is the student diversity at Marbrook Elementary School?
Student demographics at Marbrook Elementary School are roughly 36% White, 51% Hispanic, 9% Black, 1% Asian, 2% Two or more.
Who oversees Marbrook Elementary School?
Marbrook Elementary School is overseen by Red Clay Consolidated School District in New Castle County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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