- Enrollment
- 1,027
- Students per teacher
- 16:1
- Resource Index
- 34/100
Other / mixed grade configuration · Wilmington, DE
Conrad Schools of Science
Federal NCES profile for Conrad Schools of Science, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataOther / mixed grade configurationNCES 100130000270
👥 S:T ratio 28
🌟 Gifted program 30
🎓 Counselors 22
📋 Attendance 77
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Conrad Schools of Science earns 40/100 on the Resource Investment Index, with class sizes larger than 90% of Delaware schools.
- #4 of 13
- schools in Wilmington · Resource Index
- 40
- Resource Index · Typical
- 17.9:1
- large classes for Delaware
- 1,164
- students enrolled
Conrad Schools of Science has class sizes larger than 90% of Delaware schools. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Conrad Schools of Science ranks #4 of 13 schools in Wilmington, DE.
School address
District: Red Clay Consolidated School District · Delaware
NCES ID 100130000270 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-6 students YoY
Conrad Schools of Science held near 1,163 students from 2022-23 to 2023-24 (-6 headcount).
Teacher FTE lost 65.0 → 63.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-6 students YoY 100130000270 · Wilmington, DE Other · MID · TRAD
1,164 enr · 17.9:1 · RII 40
Nearest enrollment peer: Dickinson (John) School (1,027 students)
Conrad Schools of Science held near 1,163 students from 2022-23 to 2023-24 (-6 headcount). Teacher FTE lost 65.0 → 63.0 across the same CCD years. Read with this school → · District book → · Delaware schools → · Find another →
Conrad Schools of Science in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Conrad Schools of Science
1,164 students
- Dickinson (Joh
Dickinson (John) School
1,027 students
- Calloway (Cab)
Calloway (Cab) School of the Arts
941 students
- Brandywine Spr
Brandywine Springs School
941 students
- Mckean (Thomas
Mckean (Thomas) High School
920 students
- Dupont (H.B.)
Dupont (H.B.) Middle School
764 students
What this shows Conrad Schools of Science reports 1,164 students on the CCD universe file.
How Conrad Schools of Science compares
Conrad Schools of Science 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 | 17.9:1 | ▲ 29% | 13.9:1 | 15.7:1 |
| Enrollment | 1,164 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
1,164
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
17.9:1
students per teacher
- 29% above state mean
Top 90% in Delaware - lower ratio than 10% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
9.1%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
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
Counselors3.0 FTE
Per 388 students, the combined health-and-guidance staffing load for this school.
Discipline context
29
in-school suspensions + 39 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 5.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 50.0%
Hispanic or Latino 29.0%
African American 12.2%
Asian 4.6%
Two or More 4.0%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 50.0% of enrollment.
Student-body diversity index 64.7/100
Simpson diversity index - at 64.7, Conrad Schools of Science is more mixed than the Delaware school average of 61.3.
Programs
AP courses offered 19
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 Conrad Schools of Science Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dickinson (John) School | Similar size | No free-lunch data | Lower S:T ratio |
| Calloway (Cab) School of the Arts | Similar size | No free-lunch data | Similar S:T ratio |
| Brandywine Springs School | Similar size | No free-lunch data | Lower S:T ratio |
| Mckean (Thomas) High School | Similar size | No free-lunch data | Lower S:T ratio |
| Dupont (H.B.) Middle School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Conrad Schools of Science's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
- Enrollment
- 764
- Students per teacher
- 15.9:1
- Resource Index
- 41/100
Similar other schools in Wilmington
6 comparable other schools (grades Mixed) serving the same city.
Odyssey Charter School
Standard public school
2,286 students 14:1 students per teacher
Dickinson (John) School
Standard public school
1,027 students 16:1 students per teacher
Calloway (Cab) School of the Arts
Standard public school
941 students 18.1:1 students per teacher
The Bancroft School
Standard public school
616 students 13.7:1 students per teacher
Freire Charter School
Standard public school
406 students 15:1 students per teacher
Red Clay Early Years Program
Alternative education program
335 students 14:1 students per teacher
Nationwide other 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 (~1,164 students)
Frequently asked questions about Conrad Schools of Science
How many students attend Conrad Schools of Science?
Conrad Schools of Science has 1,164 students enrolled. It is a public school in Wilmington, DE. CCD year-over-year: 1,169 (2022-23) → 1,163 (2023-24), nearly flat (-6).
What is the student-teacher ratio at Conrad Schools of Science?
The student-teacher ratio at Conrad Schools of Science is 17.9:1, which is 29% higher than the Delaware average of 13.9:1 and 14% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Conrad Schools of Science?
The largest demographic group at Conrad Schools of Science is White at 50.0% of enrollment, in Wilmington, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.7/100.
What is the Resource Investment Index for Conrad Schools of Science?
Conrad Schools of Science has a Resource Investment Index of 40/100 (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 Conrad Schools of Science rank among schools in Wilmington?
By Resource Investment Index, Conrad Schools of Science ranks #4 of 13 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 schools in Wilmington on the city page.
What other schools are in Red Clay Consolidated School District?
Besides Conrad Schools of Science, Red Clay Consolidated School District also operates Dickinson (John) School (1,027 students), Calloway (Cab) School of the Arts (941 students), and Brandywine Springs School (941 students). See the Red Clay Consolidated School District district page for the complete list.