Enrollment
1,119
New York · 2024-25 NCES data
Elementary school (grades K-5) · Brooklyn, NY
Ps 105 Blythebourne (the)
Federal NCES profile for Ps 105 Blythebourne (the), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360015102396
👥 S:T ratio 40
🌟 Gifted program 30
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 105 Blythebourne (the) earns 45/100 on the Resource Investment Index, with class sizes larger than 86% of New York schools. It is also less racially and ethnically mixed than most New York schools.
- #11 of 95
- elementary schools in Brooklyn · Resource Index
- 45
- Resource Index · Typical
- 14.9:1
- large classes for New York
- 85.3%
- free-lunch eligible
Ps 105 Blythebourne (the) has class sizes larger than 86% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 105 Blythebourne (the) ranks #11 of 95 elementary schools in Brooklyn, NY.
School address
District: New York City Geographic District #20 · New York
NCES ID 360015102396 Verify on NCES CCD record →
Teachers (FTE)
75.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 11.8:1 New York avg
+26% vs state
Free-lunch eligible
85.3%
vs 56.2% New York avg
+52% vs state
Student-teacher ratio in context
How Ps 105 Blythebourne (the) compares with New York and U.S. medians
What stands out at Ps 105 Blythebourne (the)
Ps 105 Blythebourne (the) is a high-poverty, large elementary school in Brooklyn, New York, enrolling 1,119 students.
Class loads run heavy: 14.9:1 is larger than about 86% of New York schools and 26% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 85.3% of students eligible for free meals.
By headcount it is one of the larger campuses in New York, bigger than 94% of state schools at 1,119 students.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Among 275 similarly sized, similarly resourced-need New York schools statewide, it ranks #3, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Asian (92% of enrollment), among the less diverse in the state (diversity index 15/100).
13.7% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
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 105 Blythebourne (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
How Ps 105 Blythebourne (the) compares
Ps 105 Blythebourne (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 | 14.9:1 | ▲ 26% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 85.3% | ▲ 52% | 56.2% | 51.7% |
| Enrollment | 1,119 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.9:1
Leaner classes than 48% of US schools, a middle-of-the-pack class size.
1,119
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
85.3%
free-lunch eligible
- 52% above the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.9:1
students per teacher
- 26% above state mean
Top 86% in New York - lower ratio than 14% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
13.7%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
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
Asian 91.9%
Hispanic or Latino 4.7%
White 3.1%
African American 0.2%
American Indian / Alaska Native 0.1%
Largest group: Asian at 91.9% of enrollment.
Student-body diversity index 15.2/100
Simpson diversity index - at 15.2, Ps 105 Blythebourne (the) is less mixed than the New York school average of 45.5.
How Ps 105 Blythebourne (the) Compares to District-Mates
| 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 | Similar economic need | Similar S:T ratio |
| New Utrecht High School | Larger | Similar economic need | Similar S:T ratio |
| Jhs 259 William Mckinley | Larger | Similar economic need | Similar S:T ratio |
| Madeleine Brennan School (the) | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Ps 105 Blythebourne (the)'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,044
- Students per teacher
- 17.4:1
- Resource Index
- 30/100
- Enrollment
- 3,403
- Students per teacher
- 14.5:1
- Resource Index
- 42/100
- Enrollment
- 3,236
- Students per teacher
- 15.3:1
- Resource Index
- 39/100
- Enrollment
- 1,780
- Students per teacher
- 16.3:1
- Resource Index
- 46/100
- Enrollment
- 1,518
- Students per teacher
- 15.3:1
- Resource Index
- 48/100
Similar elementary 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 (~1,119 students)
Next steps
Verify locally before acting on Ps 105 Blythebourne (the)'s federal record.
- Compare Ps 105 Blythebourne (the) against another school. Compare schools
- New York City Geographic District #20'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 105 Blythebourne (the)
How many students attend Ps 105 Blythebourne (the)?
Ps 105 Blythebourne (the) has 1,119 students enrolled. It is an elementary school in Brooklyn, NY.
What is the student-teacher ratio at Ps 105 Blythebourne (the)?
The student-teacher ratio at Ps 105 Blythebourne (the) is 14.9:1, which is 26% higher than the New York average of 11.8:1 and 5% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ps 105 Blythebourne (the)?
85.3% of students at Ps 105 Blythebourne (the) are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 105 Blythebourne (the)?
The largest demographic group at Ps 105 Blythebourne (the) is Asian at 91.9% of enrollment, in Brooklyn, NY.
What is the Resource Investment Index for Ps 105 Blythebourne (the)?
Ps 105 Blythebourne (the) has a Resource Investment Index of 45/100 (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 105 Blythebourne (the) rank among elementary schools in Brooklyn?
By Resource Investment Index, Ps 105 Blythebourne (the) ranks #11 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.
Is Ps 105 Blythebourne (the) a good school?
Ps 105 Blythebourne (the) earns 45/100 on the Resource Investment Index, with class sizes larger than 86% of New York schools. It is also less racially and ethnically mixed than most 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 #20?
Besides Ps 105 Blythebourne (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.
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.