- Enrollment
- 4,044
- Students per teacher
- 17.4:1
- Resource Index
- 30/100
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 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360015102396
👥 S:T ratio 40
📋 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 53/100 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
- 53
- Resource Index · Higher
- 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 →
CCD year-over-year · 2022-23 → 2023-24
-68 students YoY
Ps 105 Blythebourne (the) shrank from 1,200 students in 2022-23 to 1,132 in 2023-24 (-5.7%).
Teacher FTE lost 75.6 → 68.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-68 students YoY 360015102396 · Brooklyn, NY Elementary · MID · TRAD
1,119 enr · 14.9:1 · 85.3% lunch · RII 53
Nearest enrollment peer: Fort Hamilton High School (4,044 students)
Ps 105 Blythebourne (the) shrank from 1,200 students in 2022-23 to 1,132 in 2023-24 (-5.7%). Teacher FTE lost 75.6 → 68.0 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Ps 105 Blythebourne (the) in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Fort Hamilton
Fort Hamilton High School
4,044 students
- Franklin Delan
Franklin Delano Roosevelt High School
3,403 students
- New Utrecht Hi
New Utrecht High School
3,236 students
- Jhs 259 Willia
Jhs 259 William Mckinley
1,780 students
- Madeleine Bren 1,518
Madeleine Brennan School (the)
1,518 students
- This school 1,119
Ps 105 Blythebourne (the)
1,119 students
What this shows Ps 105 Blythebourne (the) reports 1,119 students on the CCD universe file.
How Ps 105 Blythebourne (the) compares
Ps 105 Blythebourne (the) is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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.
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
- 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
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,119 students)
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. CCD year-over-year: 1,200 (2022-23) → 1,132 (2023-24), down 68.
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 53/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
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.
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.