Enrollment
550
New York · 2024-25 NCES data
Elementary school (grades K-5) · Brooklyn, NY
Federal NCES profile for Ps 503 School of Discovery (the), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Ps 503 School of Discovery (the) earns 34/100 on the Resource Investment Index, with class sizes smaller than 94% of New York schools.
Ps 503 School of Discovery (the) has class sizes smaller than 94% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 503 School of Discovery (the) ranks #44 of 95 elementary schools in Brooklyn, NY.
NCES ID 360015105908 Verify on NCES CCD record →
Enrollment
550
New York · 2024-25 NCES data
Teachers (FTE)
76.0
Federal CCD staff survey
Students per teacher
7.2:1
vs 11.8:1 New York avg
-39% vs state
Free-lunch eligible
92.1%
vs 56.2% New York avg
+64% vs state
How Ps 503 School of Discovery (the) compares with New York and U.S. medians
Smaller classes than state median
7.2:1 - 4.6 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Ps 503 School of Discovery (the) is a high-poverty, mid-sized elementary school in Brooklyn, New York, enrolling 550 students.
Classes run notably small here: at 7.2:1, Ps 503 School of Discovery (the) is leaner than roughly 94% of New York schools and 39% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Economic need is high: 92.1% of students qualify for free meals, 64% above the New York average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 550 puts it in the larger 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 716 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #136.
Its student body is led by Hispanic or Latino (76%) and Asian (14%) (diversity index 39/100).
Chronic absenteeism is elevated: 53.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
New York City Geographic District #20 also operates Fort Hamilton High School (4,044 students) and Franklin Delano Roosevelt High School (3,403 students) alongside Ps 503 School of Discovery (the).
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
Ps 503 School of Discovery (the) 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 | 7.2:1 | ▼ 39% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 92.1% | ▲ 64% | 56.2% | 51.7% |
| Enrollment | 550 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 76.2% of enrollment.
Simpson diversity index - at 39.2, Ps 503 School of Discovery (the) is less mixed than the New York school average of 45.5.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Fort Hamilton High School | Larger | Lower economic need | Higher S:T ratio |
| Franklin Delano Roosevelt High School | Larger | Lower economic need | Higher S:T ratio |
| New Utrecht High School | Larger | Lower economic need | Higher S:T ratio |
| Jhs 259 William Mckinley | Larger | Lower economic need | Higher S:T ratio |
| Madeleine Brennan School (the) | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Ps 503 School of Discovery (the)'s own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Ps 503 School of Discovery (the)'s federal record.
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.
Ps 503 School of Discovery (the) has 550 students enrolled. It is an elementary school in Brooklyn, NY.
The student-teacher ratio at Ps 503 School of Discovery (the) is 7.2:1, which is 39% lower than the New York average of 11.8:1 and 54% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
92.1% of students at Ps 503 School of Discovery (the) are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Ps 503 School of Discovery (the) is Hispanic or Latino at 76.2% of enrollment, in Brooklyn, NY.
Ps 503 School of Discovery (the) has a Resource Investment Index of 34/100 (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).
By Resource Investment Index, Ps 503 School of Discovery (the) ranks #44 of 95 elementary 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 elementary schools in Brooklyn on the city page.
Ps 503 School of Discovery (the) earns 34/100 on the Resource Investment Index, with class sizes smaller than 94% 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.
Besides Ps 503 School of Discovery (the), New York City Geographic District #20 also operates Fort Hamilton High School (4,044 students), Franklin Delano Roosevelt High School (3,403 students), and New Utrecht High School (3,236 students). See the New York City Geographic District #20 district page for the complete list.
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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Ps 503 School of Discovery (the), Brooklyn NY.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/ps-503-school-of-discovery-the-ny
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.