Enrollment
149
Delaware · 2024-25 NCES data
Other / mixed grade configuration · Wilmington, DE
Great Oaks Charter School
Federal NCES profile for Great Oaks Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataOther / mixed grade configurationNCES 100006200373Charter school
👥 S:T ratio 58
🌟 Gifted program 30
🎓 Counselors 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Great Oaks Charter School earns 53/100 on the Resource Investment Index, with class sizes smaller than 82% of Delaware schools. It is also less racially and ethnically mixed than most Delaware schools.
- #1 of 13
- schools in Wilmington · Resource Index
- 53
- Resource Index · Higher
- 10.6:1
- small classes for Delaware
- 149
- students enrolled
Great Oaks Charter School has class sizes smaller than 82% of Delaware schools. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Great Oaks Charter School ranks #1 of 13 schools in Wilmington, DE.
School address
District: Great Oaks Charter School · Delaware
NCES ID 100006200373 Verify on NCES CCD record →
Teachers (FTE)
14.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 13.9:1 Delaware avg
-24% vs state
Student-teacher ratio in context
How Great Oaks Charter School compares with Delaware and U.S. medians
What stands out at Great Oaks Charter School
Great Oaks Charter School is a small charter combined-grade school in Wilmington, Delaware, enrolling 149 students.
Class sizes run a bit leaner than typical: 10.6:1 puts it in the smaller third of Delaware schools by student-teacher ratio.
This is a small campus: fewer students than 94% of Delaware schools, with 149 enrolled.
Its Resource Investment Index outscores 90% of the 222 Delaware schools with a score on record, a top-tier result on this measure.
Its student body is predominantly African American (87% of enrollment), among the less diverse in the state (diversity index 24/100).
Counselor coverage is strong, about 149 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Great Oaks Charter School spends $25,544 per pupil, 50% above the Delaware average, a better-resourced district than most.
Its district draws 29.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 63 in- and out-of-school suspensions were reported for 149 students in the 2021-22 Civil Rights Data Collection.
Among Wilmington's public schools, it stands alongside Odyssey Charter School (2,286 students): Great Oaks Charter School is smaller than that campus by headcount and runs leaner classes (10.6:1 vs 14:1).
Great Oaks Charter School is a single-school charter district, so Great Oaks Charter School operates independently rather than alongside district-mates. At 149 students, it is also a small operation, on the smaller end of Delaware's single-school districts.
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 Great Oaks Charter School compares
Great Oaks Charter 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 | 10.6:1 | ▼ 24% | 13.9:1 | 15.7:1 |
| Enrollment | 149 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
149
Bigger than 15% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
10.6:1
students per teacher
- 24% below state mean
Top 18% in Delaware - lower ratio than 82% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$25,544
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 149 students, the combined health-and-guidance staffing load for this school.
Discipline context
16
in-school suspensions + 47 out-of-school
Suspension rate: 10.7 per 100 students. Combined in-school and out-of-school rate: 42.3 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
African American 86.6%
Hispanic or Latino 10.1%
Two or More 2.0%
White 0.7%
American Indian / Alaska Native 0.7%
Largest group: African American at 86.6% of enrollment.
Student-body diversity index 23.9/100
Simpson diversity index - at 23.9, Great Oaks Charter School is less mixed than the Delaware school average of 61.3.
Programs
AP courses offered 2
Funding & spending
District-wide per-pupil expenditure for Great Oaks Charter School, which includes Great Oaks Charter School.
$25,544
Per student
+50%
vs Delaware
Avg $16,990
+54%
vs U.S.
Avg $16,593
Revenue mix
Local 25.4%
State 45.5%
Federal 29.1%
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.
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
Conrad Schools of Science
Standard public school
1,164 students 17.9:1 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
Similar other 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 (~149 students)
Next steps
Verify locally before acting on Great Oaks Charter School's federal record.
- Compare Great Oaks Charter School against another school. Compare schools
- Great Oaks Charter School'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 Great Oaks Charter School
How many students attend Great Oaks Charter School?
Great Oaks Charter School has 149 students enrolled. It is a public school in Wilmington, DE.
What is the student-teacher ratio at Great Oaks Charter School?
The student-teacher ratio at Great Oaks Charter School is 10.6:1, which is 24% lower than the Delaware average of 13.9:1 and 32% 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 Great Oaks Charter School?
The largest demographic group at Great Oaks Charter School is African American at 86.6% of enrollment, in Wilmington, DE.
What is the Resource Investment Index for Great Oaks Charter School?
Great Oaks Charter School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Great Oaks Charter School rank among schools in Wilmington?
By Resource Investment Index, Great Oaks Charter School ranks #1 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.
Is Great Oaks Charter School a good school?
Great Oaks Charter School earns 53/100 on the Resource Investment Index, with class sizes smaller than 82% of Delaware schools. It is also less racially and ethnically mixed than most 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 Great Oaks Charter School?
None; Great Oaks Charter School is a single-school charter district, and Great Oaks Charter School is its only campus.
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.