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
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Compiled from official source data by .
0/100100/10048/100
👥 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

Wilmington, DE 19806
District: Red Clay Consolidated School District · Delaware

NCES ID 100130000258 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

-55 students YoY

Lewis (William C.) Dual Language Elementary School shrank from 371 students in 2022-23 to 316 in 2023-24 (-14.8%).

Teacher FTE lost 42.0 → 36.0 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Shrinking CCD campus

-55 students YoY 100130000258 · Wilmington, DE Elementary · SMALL · TRAD

347 enr · 8.3:1 · RII 48

Nearest enrollment peer: Conrad Schools of Science (1,164 students)

Lewis (William C.) Dual Language Elementary School shrank from 371 students in 2022-23 to 316 in 2023-24 (-14.8%). Teacher FTE lost 42.0 → 36.0 across the same CCD years. Read with this school → · District book → · Delaware schools → · Find another →

Lewis (William C.) Dual Language Elementary School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Lewis (William C.) Dual Language Elementary School reports 347 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Lewis (William C.) Dual Language Elementary School compares

Lewis (William C.) Dual Language Elementary School is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology

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
$22,094
per pupil, district-wide - above Delaware avg of $18,304
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.

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

District finance for Red Clay Consolidated School District reports $22,094 per pupil (NCES F-33) - open the district page for the full revenue mix.

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

Red Clay Consolidated School District · 5 sibling schools

View district profile

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

Nationwide elementary schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~347 students)

Similar student-teacher ratio (~8.3:1)

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. CCD year-over-year: 371 (2022-23) → 316 (2023-24), down 55.

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, gifted-program reporting, counselor availability, chronic absenteeism. 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.

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.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Compiled from official source data by .