Enrollment
197
New York · 2024-25 NCES data
Other / mixed grade configuration · Brooklyn, NY
Ps 308 Clara Cardwell
Federal NCES profile for Ps 308 Clara Cardwell, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataOther / mixed grade configurationNCES 360009402812
👥 S:T ratio 67
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 308 Clara Cardwell earns 32/100 on the Resource Investment Index, with class sizes smaller than 89% of New York schools.
- #63 of 262
- schools in Brooklyn · Resource Index
- 32
- Resource Index · Typical
- 8.2:1
- small classes for New York
- 91.0%
- free-lunch eligible
Ps 308 Clara Cardwell has class sizes smaller than 89% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 308 Clara Cardwell ranks #63 of 262 schools in Brooklyn, NY.
School address
District: New York City Geographic District #16 · New York
NCES ID 360009402812 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
8.2:1
vs 11.8:1 New York avg
-31% vs state
Free-lunch eligible
91.0%
vs 56.2% New York avg
+62% vs state
Student-teacher ratio in context
How Ps 308 Clara Cardwell compares with New York and U.S. medians
What stands out at Ps 308 Clara Cardwell
Ps 308 Clara Cardwell is a high-poverty, small combined-grade school in Brooklyn, New York, enrolling 197 students.
Classes run notably small here: at 8.2:1, Ps 308 Clara Cardwell is leaner than roughly 89% of New York schools and 31% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Economic need is high: 91.0% of students qualify for free meals, 62% above the New York average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 197 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Against 342 statewide peers matched on enrollment and economic need, it ranks mid-pack at #141.
Its student body is led by African American (75%) and Hispanic or Latino (19%) (diversity index 41/100).
Chronic absenteeism is elevated: 80.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
New York City Geographic District #16 also operates Brooklyn High School for Law and Technology (469 students) and Ps 40 George W Carver (465 students) alongside Ps 308 Clara Cardwell.
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 Ps 308 Clara Cardwell compares
Ps 308 Clara Cardwell on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.2:1 | ▼ 31% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 91.0% | ▲ 62% | 56.2% | 51.7% |
| Enrollment | 197 | top 90% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.2:1
Leaner classes than 95% of US schools, among the more generously staffed nationally.
197
Bigger than 19% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
91.0%
free-lunch eligible
- 62% above the New York average of 56.2%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
8.2:1
students per teacher
- 31% below state mean
Top 11% in New York - lower ratio than 89% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
80.2%
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.
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 74.6%
Hispanic or Latino 18.8%
White 3.0%
Native Hawaiian / Pacific Islander 1.5%
Two or More 1.0%
Asian 0.5%
American Indian / Alaska Native 0.5%
Largest group: African American at 74.6% of enrollment.
Student-body diversity index 40.7/100
Simpson diversity index - at 40.7, Ps 308 Clara Cardwell is less mixed than the New York school average of 45.5.
How Ps 308 Clara Cardwell Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brooklyn High School for Law and Technology | Larger | Similar economic need | Higher S:T ratio |
| Ps 40 George W Carver | Larger | Similar economic need | Higher S:T ratio |
| Ps 21 Crispus Attucks | Larger | Lower economic need | Higher S:T ratio |
| Boys and Girls High School | Larger | Similar economic need | Similar S:T ratio |
| Brooklyn Brownstone School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Ps 308 Clara Cardwell's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 469
- Students per teacher
- 12.3:1
- Resource Index
- 25/100
- Enrollment
- 465
- Students per teacher
- 11.6:1
- Resource Index
- 27/100
- Enrollment
- 430
- Students per teacher
- 13.9:1
- Resource Index
- 22/100
- Enrollment
- 353
- Students per teacher
- 7.5:1
- Resource Index
- 35/100
- Enrollment
- 352
- Students per teacher
- 17.6:1
- Resource Index
- 23/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~197 students)
Similar student-teacher ratio (~8.2:1)
Next steps
Verify locally before acting on Ps 308 Clara Cardwell's federal record.
- Compare Ps 308 Clara Cardwell against another school. Compare schools
- New York City Geographic District #16'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 Ps 308 Clara Cardwell
How many students attend Ps 308 Clara Cardwell?
Ps 308 Clara Cardwell has 197 students enrolled. It is a public school in Brooklyn, NY.
What is the student-teacher ratio at Ps 308 Clara Cardwell?
The student-teacher ratio at Ps 308 Clara Cardwell is 8.2:1, which is 31% lower than the New York average of 11.8:1 and 48% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Ps 308 Clara Cardwell?
91.0% of students at Ps 308 Clara Cardwell are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 308 Clara Cardwell?
The largest demographic group at Ps 308 Clara Cardwell is African American at 74.6% of enrollment, in Brooklyn, NY.
What is the Resource Investment Index for Ps 308 Clara Cardwell?
Ps 308 Clara Cardwell has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ps 308 Clara Cardwell rank among schools in Brooklyn?
By Resource Investment Index, Ps 308 Clara Cardwell ranks #63 of 262 schools in Brooklyn, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Brooklyn on the city page.
Is Ps 308 Clara Cardwell a good school?
Ps 308 Clara Cardwell earns 32/100 on the Resource Investment Index, with class sizes smaller than 89% of New York 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 New York City Geographic District #16?
Besides Ps 308 Clara Cardwell, New York City Geographic District #16 also operates Brooklyn High School for Law and Technology (469 students), Ps 40 George W Carver (465 students), and Ps 21 Crispus Attucks (430 students). See the New York City Geographic District #16 district page for the complete list.
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.