Elementary school (grades K-5) · Wilmington, DE

Edison (Thomas a.) Charter School

Federal NCES profile for Edison (Thomas a.) Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.

2024-25 NCES dataElementary school (grades K-5)NCES 100001000079Charter school
0/100100/10017/100
👥 S:T ratio
40
🌟 Gifted program
30
🎓 Counselors
0
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Edison (Thomas a.) Charter School earns 17/100 on the Resource Investment Index, with class sizes larger than 70% of Delaware schools. It is also less racially and ethnically mixed than most Delaware schools.

#24 of 24
elementary schools in Wilmington · Resource Index
17
Resource Index · Lower
15.1:1
large classes for Delaware
557
students enrolled

Edison (Thomas a.) Charter School has class sizes larger than 70% of Delaware schools. Computed live against every Delaware school reporting to NCES.

By Resource Investment Index, Edison (Thomas a.) Charter School ranks #24 of 24 elementary schools in Wilmington, DE.

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

-31 students YoY

Edison (Thomas a.) Charter School held near 601 students from 2022-23 to 2023-24 (-31 headcount).

Teacher FTE added 37.0 → 41.0 across the same CCD years.

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

Steady CCD campus

-31 students YoY 100001000079 · Wilmington, DE Elementary · MID · CHARTER

557 enr · 15.1:1 · RII 17

Nearest enrollment peer: Riverbank Language Academy (557 students)

Edison (Thomas a.) Charter School held near 601 students from 2022-23 to 2023-24 (-31 headcount). Teacher FTE added 37.0 → 41.0 across the same CCD years. Read with this school → · District book → · Delaware schools → · Find another →

How Edison (Thomas a.) Charter School compares

Edison (Thomas a.) Charter School held steady on CCD headcount: ratios and free-lunch share vs Delaware and U.S. means.

Metric This school vs Delaware Delaware avg U.S. avg
Students per teacher 15.1:1 ▲ 9% 13.9:1 15.7:1
Enrollment 557 top 43% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

15.1:1
Leaner classes than 46% of US schools, a middle-of-the-pack class size.
557
Bigger than 68% of US schools by enrollment, mid-sized for the country.

Equity indicators methodology

Staffing depth
15.1:1
students per teacher - 9% above state mean
Top 70% in Delaware - lower ratio than 30% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
44.5%
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
$16,334
per pupil, district-wide - below Delaware avg of $18,304
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 557 students, the combined health-and-guidance staffing load for this school.
Discipline context
33
in-school suspensions + 50 out-of-school
Suspension rate: 5.9 per 100 students. Combined in-school and out-of-school rate: 14.9 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

African American 96.4%
Two or More 1.3%
White 1.1%
Hispanic or Latino 0.9%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%

Largest group: African American at 96.4% of enrollment.

Student-body diversity index 7.0/100

Simpson diversity index - at 7.0, Edison (Thomas a.) Charter School is less mixed than the Delaware school average of 61.3.

Programs

District finance for Edison (Thomas a.) Charter School reports $16,334 per pupil (NCES F-33) - open the district page for the full revenue mix.

Similar elementary schools in Wilmington

6 comparable elementary schools (grades K-5) serving the same city.

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.

Frequently asked questions about Edison (Thomas a.) Charter School

How many students attend Edison (Thomas a.) Charter School?

Edison (Thomas a.) Charter School has 557 students enrolled. It is an elementary school in Wilmington, DE. CCD year-over-year: 632 (2022-23) → 601 (2023-24), nearly flat (-31).

What is the student-teacher ratio at Edison (Thomas a.) Charter School?

The student-teacher ratio at Edison (Thomas a.) Charter School is 15.1:1, which is 9% higher than the Delaware average of 13.9:1 and 4% lower than the national average of 15.7:1.

What is the racial and ethnic makeup of Edison (Thomas a.) Charter School?

The largest demographic group at Edison (Thomas a.) Charter School is African American at 96.4% of enrollment, in Wilmington, DE.

What is the Resource Investment Index for Edison (Thomas a.) Charter School?

Edison (Thomas a.) Charter School has a Resource Investment Index of 17/100 (lower 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 Edison (Thomas a.) Charter School rank among elementary schools in Wilmington?

By Resource Investment Index, Edison (Thomas a.) Charter School ranks #24 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 Edison (Thomas a.) Charter School?

None; Edison (Thomas a.) Charter School is a single-school charter district, and Edison (Thomas a.) Charter School is its only campus.

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.

View saved