Excellent
#2 of 219 schools in DE
Top 1% in state
Marbrook Elementary School
Elementary School · Red Clay Consolidated School District
2101 Centerville Road, Wilmington, DE 19808
Enrollment
431
Student-Teacher
12:1
Score
9.3
Grades
Kindergarten – 5th
Enrollment
431
Student-Teacher
12:1
Score
9.3
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Wilmington
#1 of 50
public schools
Delaware elementary schools
#2 of 119
In district
#1 of 26
Red Clay Consolidated School District
Academic growth
9.8 / 10
Exceptional
About Marbrook Elementary School
Marbrook Elementary School is a public elementary school in Wilmington, DE, part of the Red Clay Consolidated School District. The school serves approximately 431 students in grades Kindergarten – 5th with a student-teacher ratio of 12:1. It holds a MySchoolScout rating of 9.3/10, placing it in the 99.5th percentile among DE schools — an above average rating overall.
Students demonstrate 39% proficiency in math, 4 points below the state average and 48% in reading/language arts, 1 points below the state average. The school scores particularly well in student growth (9.8/10). Located in a neighborhood with a median household income of $92,883, where 41% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Marbrook Elementary School — Students at Marbrook Elementary School score 45% proficient, which is above what's typical for similar communities (expected: 36%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.1%
Students qualifying for federal meal assistance
Test Scores DE DESSA (2024-25)
Based on 90 test records from DE state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.8/10.
How Marbrook Elementary School Compares
See how Marbrook Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has declined from 64% (2009) to 42.06% (2025). Reading/ELA proficiency has declined from 64% (2009) to 47.42% (2025).
Location
2101 Centerville Road, Wilmington, DE 19808
Nearby Alternatives
Families considering Marbrook Elementary School may also want to explore other elementary schools in the area. Richey Elementary School (rated 7.5/10, 1.9 miles away), a more accessible option. Another option is Baltz (Austin D.) Elementary School (rated 7.2/10, 1.4 miles away), a more accessible option. Additionally, Gateway Charter School (rated 6.7/10, 0.5 miles away), a more accessible option. For more schools in Wilmington, see our Wilmington schools guide .
Nearby Schools
20 within 2.5 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 19808 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$92,883
Median Home Value
$309,700
Median Rent
$1,357/mo
Population
38,334
College Educated
41.1%
Homeownership
79.1%
Avg Commute
24.2 min
Poverty Rate
5.6%
Median Age
43.6
Community Profile
The community surrounding Marbrook Elementary School has a median household income of $92,883. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $309,700, with a median rent of $1,357/month. The local poverty rate of 5.6% is relatively low. The average commute for residents is 24 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Wilson (Etta J.) Elementary School Newark, DE | 9.4 |
| Jones (Albert H.) Elementary School Newark, DE | 9.2 |
| Hanby Elementary School Wilmington, DE | 9.1 |
| Lorewood Grove Elementary School Middletown, DE | 9.1 |
| Frederick Douglass Elementary School Seaford, DE | 8.9 |
| Blades Elementary School Blades, DE | 8.8 |
Frequently Asked Questions
Common questions about Marbrook Elementary School
What grades does Marbrook Elementary School serve?
Marbrook Elementary School serves students in grades Kindergarten through 5th.
How many students attend Marbrook Elementary School?
Marbrook Elementary School has an enrollment of approximately 431 students.
What is the student-teacher ratio at Marbrook Elementary School?
The student-teacher ratio at Marbrook Elementary School is 12:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Marbrook Elementary School rank in DE?
Marbrook Elementary School is ranked #2 out of 219 schools in DE.
What is Marbrook Elementary School's MySchoolScout rating?
Marbrook Elementary School has a composite rating of 9.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Marbrook Elementary School?
Based on the most recent state assessment data, Marbrook Elementary School has 39.3% math proficiency and 47.9% reading/ELA proficiency.
Is Marbrook Elementary School a charter school?
No, Marbrook Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Marbrook Elementary School a Title I school?
No, Marbrook Elementary School is not currently a Title I school.
Neighborhood Context
- Walk Score
- 29 Car-Dependent
Powered by 
FBI UCR. County-level only.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 431
- Student-Teacher Ratio
- 12:1
- Teachers (FTE)
- 36
- Type
- regular
- Setting
- Large Suburb
- County
- New Castle County
- Chronic Absenteeism
- 8.6%
- Phone
- (302) 992-5555
- Data Year
- 2023–2024
Resources & Links
District
Red Clay Consolidated School District- District Enrollment
- 14,546
- Schools in District
- 28
- Per-Pupil Spending
- $22,094
- District Rank
- #1 of 26
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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