Enrollment
347
Delaware · 2024-25 NCES data
Elementary school (grades K-5) · Wilmington, DE
Lewis (William C.) Dual Language Elementary School
Federal NCES profile for Lewis (William C.) Dual Language Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 100130000258
👥 S:T ratio 67
🌟 Gifted program 70
🎓 Counselors 31
📋 Attendance 26
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lewis (William C.) Dual Language Elementary School earns 48/100 on the Resource Investment Index, with class sizes smaller than 94% of Delaware schools.
- #8 of 24
- elementary schools in Wilmington · Resource Index
- 48
- Resource Index · Typical
- 8.3:1
- small classes for Delaware
- 347
- students enrolled
Lewis (William C.) Dual Language Elementary School has class sizes smaller than 94% of Delaware schools. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Lewis (William C.) Dual Language Elementary School ranks #8 of 24 elementary schools in Wilmington, DE.
School address
District: Red Clay Consolidated School District · Delaware
NCES ID 100130000258 Verify on NCES CCD record →
Teachers (FTE)
42.0
Federal CCD staff survey
Students per teacher
8.3:1
vs 13.9:1 Delaware avg
-40% vs state
Student-teacher ratio in context
How Lewis (William C.) Dual Language Elementary School compares with Delaware and U.S. medians
What stands out at Lewis (William C.) Dual Language Elementary School
Lewis (William C.) Dual Language Elementary School is a mid-sized elementary school in Wilmington, Delaware, enrolling 347 students.
Classes run notably small here: at 8.3:1, Lewis (William C.) Dual Language Elementary School is leaner than roughly 94% of Delaware schools and 40% under the state's 13.9:1 norm, more adult attention per pupil than most peers.
Enrollment of 347 puts it in the smaller third of Delaware schools by headcount.
Its Resource Investment Index lands in the upper third of 222 scored Delaware schools.
Its student body is led by Hispanic or Latino (54%) and African American (34%) (diversity index 59/100).
Counselor availability sits well past the ASCA benchmark, roughly 347 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 29.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Red Clay Consolidated School District spends $21,267 per pupil, 25% above the Delaware average, a better-resourced district than most.
Among Wilmington's elementary schools, it stands alongside Brandywine Springs School (941 students): Lewis (William C.) Dual Language Elementary School is smaller than that campus by headcount and runs leaner classes (8.3:1 vs 15.4:1).
Red Clay Consolidated School District also operates Conrad Schools of Science (1,164 students) and Dickinson (John) School (1,027 students) alongside Lewis (William C.) Dual Language Elementary School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lewis (William C.) Dual Language Elementary School compares
Lewis (William C.) Dual Language Elementary School on the metrics families compare, against Delaware and U.S. means.
| Metric | This school | vs Delaware | Delaware avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.3:1 | ▼ 40% | 13.9:1 | 15.7:1 |
| Enrollment | 347 | top 78% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.3:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
347
Bigger than 39% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
8.3:1
students per teacher
- 40% below state mean
Top 6% in Delaware - lower ratio than 94% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
29.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$21,267
per pupil, district-wide
- above Delaware avg of $16,990
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 347 students, the combined health-and-guidance staffing load for this school.
Discipline context
13
in-school suspensions + 19 out-of-school
Suspension rate: 3.7 per 100 students. Combined in-school and out-of-school rate: 9.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 53.6%
African American 34.0%
White 10.4%
Two or More 1.2%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 53.6% of enrollment.
Student-body diversity index 58.6/100
Simpson diversity index - at 58.6, Lewis (William C.) Dual Language Elementary School is less mixed than the Delaware school average of 61.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Red Clay Consolidated School District, which includes Lewis (William C.) Dual Language Elementary School.
$21,267
Per student
+25%
vs Delaware
Avg $16,990
+28%
vs U.S.
Avg $16,593
Revenue mix
Local 37.2%
State 48.1%
Federal 14.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lewis (William C.) Dual Language Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Conrad Schools of Science | Larger | No free-lunch data | Higher S:T ratio |
| Dickinson (John) School | Larger | No free-lunch data | Higher S:T ratio |
| Calloway (Cab) School of the Arts | Larger | No free-lunch data | Higher S:T ratio |
| Brandywine Springs School | Larger | No free-lunch data | Higher S:T ratio |
| Mckean (Thomas) High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Lewis (William C.) Dual Language Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,164
- Students per teacher
- 17.9:1
- Resource Index
- 40/100
- Enrollment
- 1,027
- Students per teacher
- 16:1
- Resource Index
- 34/100
- Enrollment
- 941
- Students per teacher
- 18.1:1
- Resource Index
- 43/100
- Enrollment
- 941
- Students per teacher
- 15.4:1
- Resource Index
- 47/100
- Enrollment
- 920
- Students per teacher
- 13:1
- Resource Index
- 33/100
Similar elementary schools in Wilmington
6 comparable elementary schools (grades K-5) serving the same city.
Brandywine Springs School
Standard public school
941 students 15.4:1 students per teacher
Mount Pleasant Elementary School
Standard public school
674 students 12.5:1 students per teacher
First State Montessori Academy
Standard public school
657 students 19.3:1 students per teacher
Kuumba Academy Charter School
Standard public school
594 students 10.2:1 students per teacher
The Bayard School
Standard public school
571 students 10.4:1 students per teacher
Edison (Thomas a.) Charter School
Standard public school
557 students 15.1:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Delaware, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~347 students)
Next steps
Verify locally before acting on Lewis (William C.) Dual Language Elementary School's federal record.
- Compare Lewis (William C.) Dual Language Elementary School against another school. Compare schools
- Red Clay Consolidated School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lewis (William C.) Dual Language Elementary School
How many students attend Lewis (William C.) Dual Language Elementary School?
Lewis (William C.) Dual Language Elementary School has 347 students enrolled. It is an elementary school in Wilmington, DE.
What is the student-teacher ratio at Lewis (William C.) Dual Language Elementary School?
The student-teacher ratio at Lewis (William C.) Dual Language Elementary School is 8.3:1, which is 40% lower than the Delaware average of 13.9:1 and 47% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Lewis (William C.) Dual Language Elementary School?
The largest demographic group at Lewis (William C.) Dual Language Elementary School is Hispanic or Latino at 53.6% of enrollment, in Wilmington, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.6/100.
What is the Resource Investment Index for Lewis (William C.) Dual Language Elementary School?
Lewis (William C.) Dual Language Elementary School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lewis (William C.) Dual Language Elementary School rank among elementary schools in Wilmington?
By Resource Investment Index, Lewis (William C.) Dual Language Elementary School ranks #8 of 24 elementary schools in Wilmington, DE. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Wilmington on the city page.
Is Lewis (William C.) Dual Language Elementary School a good school?
Lewis (William C.) Dual Language Elementary School earns 48/100 on the Resource Investment Index, with class sizes smaller than 94% of Delaware schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Red Clay Consolidated School District?
Besides Lewis (William C.) Dual Language Elementary School, Red Clay Consolidated School District also operates Conrad Schools of Science (1,164 students), Dickinson (John) School (1,027 students), and Calloway (Cab) School of the Arts (941 students). See the Red Clay Consolidated School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.