Enrollment
662
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Bridgeport, CT
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 34/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090021901782Charter school
👥 S:T ratio 40
🌟 Gifted program 30
🎓 Counselors 34
📋 Attendance 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Great Oaks Charter School earns 34/100 on the Resource Investment Index, with class sizes larger than 91% of Connecticut schools.
- #17 of 34
- schools in Bridgeport · Resource Index
- 34
- Resource Index · Typical
- 15:1
- large classes for Connecticut
- 41.6%
- free-lunch eligible
Great Oaks Charter School has class sizes larger than 91% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Great Oaks Charter School ranks #17 of 34 schools in Bridgeport, CT.
School address
District: Great Oaks Charter School District · Connecticut
NCES ID 090021901782 Verify on NCES CCD record →
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
15:1
vs 12.1:1 Connecticut avg
+24% vs state
Free-lunch eligible
41.6%
vs 36.4% Connecticut avg
+14% vs state
Student-teacher ratio in context
How Great Oaks Charter School compares with Connecticut and U.S. medians
What stands out at Great Oaks Charter School
Great Oaks Charter School is a mid-sized charter combined-grade school in Bridgeport, Connecticut, enrolling 662 students.
Class loads run heavy: 15:1 is larger than about 91% of Connecticut schools and 24% above the 12.1:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 41.6% of students eligible for free meals.
Enrollment of 662 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the lower third of 1,003 scored Connecticut schools.
Among 148 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #126, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (50%) and African American (42%) (diversity index 58/100).
Counselor availability sits well past the ASCA benchmark, roughly 331 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 26.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Great Oaks Charter School District spends $15,777 per pupil, 34% below the Connecticut average, a leaner-resourced district than most.
Its district draws 21.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Bridgeport's public schools, it stands alongside Achievement First Bridgeport Academy (1,090 students): Great Oaks Charter School is smaller than that campus by headcount and runs leaner classes (15:1 vs 20.6:1).
Great Oaks Charter School District is a single-school charter district, so Great Oaks Charter School operates independently rather than alongside district-mates.
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 Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15:1 | ▲ 24% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 41.6% | ▲ 14% | 36.4% | 51.7% |
| Enrollment | 662 | top 18% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
662
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
41.6%
free-lunch eligible
- 14% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15:1
students per teacher
- 24% above state mean
Top 91% in Connecticut - lower ratio than 9% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.6%
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
$15,777
per pupil, district-wide
- below Connecticut avg of $23,870
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.0 FTE
Per 331 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 113 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 17.1 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 49.5%
African American 41.5%
White 3.8%
Asian 2.9%
Two or More 2.1%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 49.5% of enrollment.
Student-body diversity index 58.0/100
Simpson diversity index - at 58.0, Great Oaks Charter School is more mixed than the Connecticut school average of 50.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Great Oaks Charter School District, which includes Great Oaks Charter School.
$15,777
Per student
-34%
vs Connecticut
Avg $23,870
-5%
vs U.S.
Avg $16,593
Revenue mix
Local 9.3%
State 69.6%
Federal 21.1%
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 Bridgeport
6 comparable other schools (grades Mixed) serving the same city.
Achievement First Bridgeport Academy
Standard public school
1,090 students 20.6:1 students per teacher
Blackham School
Standard public school
1,088 students 17.3:1 students per teacher
Cesar Batalla School
Standard public school
990 students 14.8:1 students per teacher
Read School
Standard public school
863 students 16.3:1 students per teacher
Geraldine Johnson School
Standard public school
825 students 15.3:1 students per teacher
Capital Preparatory Harbor School
Standard public school
775 students 25.8:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~662 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 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 Great Oaks Charter School
How many students attend Great Oaks Charter School?
Great Oaks Charter School has 662 students enrolled. It is a public school in Bridgeport, CT.
What is the student-teacher ratio at Great Oaks Charter School?
The student-teacher ratio at Great Oaks Charter School is 15:1, which is 24% higher than the Connecticut average of 12.1:1 and 4% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Great Oaks Charter School?
41.6% of students at Great Oaks Charter School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Great Oaks Charter School?
The largest demographic group at Great Oaks Charter School is Hispanic or Latino at 49.5% of enrollment, in Bridgeport, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.0/100.
What is the Resource Investment Index for Great Oaks Charter School?
Great Oaks Charter School has a Resource Investment Index of 34/100 (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 Great Oaks Charter School rank among schools in Bridgeport?
By Resource Investment Index, Great Oaks Charter School ranks #17 of 34 schools in Bridgeport, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Bridgeport on the city page.
Is Great Oaks Charter School a good school?
Great Oaks Charter School earns 34/100 on the Resource Investment Index, with class sizes larger than 91% of Connecticut 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 District?
None; Great Oaks Charter School District 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.