- Enrollment
- 3,261
- Students per teacher
- 20.1:1
- Resource Index
- 46/100
Middle school (grades 6-8) · New York, NY
Ms 255 Salk School of Science
Federal NCES profile for Ms 255 Salk School of Science, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 360007704408
👥 S:T ratio 40
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ms 255 Salk School of Science earns 56/100 on the Resource Investment Index, with class sizes larger than 87% of New York schools. It is also more racially and ethnically mixed than most New York schools.
- #8 of 41
- middle schools in New York · Resource Index
- 56
- Resource Index · Higher
- 15.1:1
- large classes for New York
- 20.1%
- free-lunch eligible
Ms 255 Salk School of Science has class sizes larger than 87% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ms 255 Salk School of Science ranks #8 of 41 middle schools in New York, NY.
School address
District: New York City Geographic District # 2 · New York
NCES ID 360007704408 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Ms 255 Salk School of Science held near 369 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE added 25.3 → 25.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 360007704408 · New York, NY Middle · SMALL · TRAD
378 enr · 15.1:1 · 20.1% lunch · RII 56
Nearest enrollment peer: Stuyvesant High School (3,261 students)
Ms 255 Salk School of Science held near 369 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE added 25.3 → 25.9 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Ms 255 Salk School of Science in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Stuyvesant Hig
Stuyvesant High School
3,261 students
- High School fo
High School for Health Professions & Human Services
1,728 students
- Art and Design
Art and Design High School
1,485 students
- High School of
High School of Fashion Industries (the)
1,455 students
- Jhs 104 Simon 1,023
Jhs 104 Simon Baruch
1,023 students
- This school 378
Ms 255 Salk School of Science
378 students
What this shows Ms 255 Salk School of Science reports 378 students on the CCD universe file.
How Ms 255 Salk School of Science compares
Ms 255 Salk School of Science held steady on CCD headcount: 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 | 15.1:1 | ▲ 28% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 20.1% | ▼ 64% | 56.2% | 51.7% |
| Enrollment | 378 | top 59% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.1:1
Leaner classes than 46% of US schools, a middle-of-the-pack class size.
378
Bigger than 44% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
20.1%
free-lunch eligible
- 64% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.1:1
students per teacher
- 28% above state mean
Top 87% in New York - lower ratio than 13% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.4%
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
White 46.8%
Asian 27.5%
Hispanic or Latino 11.9%
Two or More 11.4%
African American 2.1%
American Indian / Alaska Native 0.3%
Largest group: White at 46.8% of enrollment.
Student-body diversity index 67.8/100
Simpson diversity index - at 67.8, Ms 255 Salk School of Science is more mixed than the New York school average of 45.5.
How Ms 255 Salk School of Science Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Stuyvesant High School | Larger | Higher economic need | Higher S:T ratio |
| High School for Health Professions & Human Services | Larger | Higher economic need | Higher S:T ratio |
| Art and Design High School | Larger | Higher economic need | Similar S:T ratio |
| High School of Fashion Industries (the) | Larger | Higher economic need | Lower S:T ratio |
| Jhs 104 Simon Baruch | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Ms 255 Salk School of Science's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,728
- Students per teacher
- 16.9:1
- Resource Index
- 16/100
- Enrollment
- 1,485
- Students per teacher
- 15:1
- Resource Index
- 20/100
- Enrollment
- 1,455
- Students per teacher
- 12.8:1
- Resource Index
- 49/100
- Enrollment
- 1,023
- Students per teacher
- 17.6:1
- Resource Index
- 42/100
Nationwide middle 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 (~378 students)
Frequently asked questions about Ms 255 Salk School of Science
How many students attend Ms 255 Salk School of Science?
Ms 255 Salk School of Science has 378 students enrolled. It is a middle school in New York, NY. CCD year-over-year: 364 (2022-23) → 369 (2023-24), nearly flat (+5).
What is the student-teacher ratio at Ms 255 Salk School of Science?
The student-teacher ratio at Ms 255 Salk School of Science is 15.1:1, which is 28% higher than the New York average of 11.8:1 and 4% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ms 255 Salk School of Science?
20.1% of students at Ms 255 Salk School of Science are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ms 255 Salk School of Science?
The largest demographic group at Ms 255 Salk School of Science is White at 46.8% of enrollment, in New York, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.8/100.
What is the Resource Investment Index for Ms 255 Salk School of Science?
Ms 255 Salk School of Science has a Resource Investment Index of 56/100 (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 Ms 255 Salk School of Science rank among middle schools in New York?
By Resource Investment Index, Ms 255 Salk School of Science ranks #8 of 41 middle schools in New York, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in New York on the city page.
What other schools are in New York City Geographic District # 2?
Besides Ms 255 Salk School of Science, New York City Geographic District # 2 also operates Stuyvesant High School (3,261 students), High School for Health Professions & Human Services (1,728 students), and Art and Design High School (1,485 students). See the New York City Geographic District # 2 district page for the complete list.