Enrollment
519
New York · 2024-25 NCES data
High school (grades 9-12) · Staten Island, NY
Csi High School for International Studies
Federal NCES profile for Csi High School for International Studies, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 360010305835
👥 S:T ratio 33
📚 AP courses 10
🌟 Gifted program 30
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Csi High School for International Studies earns 28/100 on the Resource Investment Index, with class sizes larger than 94% of New York schools. It is also more racially and ethnically mixed than most New York schools.
- #7 of 11
- high schools in Staten Island · Resource Index
- 28
- Resource Index · Lower
- 16.7:1
- large classes for New York
- 53.3%
- free-lunch eligible
Csi High School for International Studies has class sizes larger than 94% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Csi High School for International Studies ranks #7 of 11 high schools in Staten Island, NY.
School address
District: New York City Geographic District #31 · New York
NCES ID 360010305835 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
16.7:1
vs 11.8:1 New York avg
+42% vs state
Free-lunch eligible
53.3%
vs 56.2% New York avg
-5% vs state
Student-teacher ratio in context
How Csi High School for International Studies compares with New York and U.S. medians
What stands out at Csi High School for International Studies
Csi High School for International Studies is a higher-need, mid-sized high school in Staten Island, New York, enrolling 519 students.
Class loads run heavy: 16.7:1 is larger than about 94% of New York schools and 42% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 53.3% lands close to the New York typical range, neither a high- nor low-need campus by this measure.
Enrollment of 519 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 767 statewide peers matched on enrollment and economic need, it ranks mid-pack at #355.
Its student body is led by Asian (37%) and White (32%), more mixed than most schools in the state (diversity index 70/100).
Attendance runs somewhat below the norm, with 24.7% of students chronically absent per the 2021-22 civil-rights collection.
New York City Geographic District #31 also operates Tottenville High School (3,750 students) and New Dorp High School (3,055 students) alongside Csi High School for International Studies.
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 Csi High School for International Studies compares
Csi High School for International Studies 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 | 16.7:1 | ▲ 42% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 53.3% | ▼ 5% | 56.2% | 51.7% |
| Enrollment | 519 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.7:1
Leaner classes than 33% of US schools, heavier class loads than most.
519
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
53.3%
free-lunch eligible
- 5% below 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
16.7:1
students per teacher
- 42% above state mean
Top 94% in New York - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
24.7%
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
Asian 37.2%
White 32.4%
Hispanic or Latino 23.5%
African American 5.8%
Two or More 1.0%
American Indian / Alaska Native 0.2%
Largest group: Asian at 37.2% of enrollment.
Student-body diversity index 69.8/100
Simpson diversity index - at 69.8, Csi High School for International Studies is more mixed than the New York school average of 45.5.
How Csi High School for International Studies Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tottenville High School | Larger | Similar economic need | Similar S:T ratio |
| New Dorp High School | Larger | Similar economic need | Lower S:T ratio |
| Susan E Wagner High School | Larger | Similar economic need | Lower S:T ratio |
| Curtis High School | Larger | Higher economic need | Similar S:T ratio |
| Port Richmond High School | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Csi High School for International Studies's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,750
- Students per teacher
- 15.6:1
- Resource Index
- 38/100
- Enrollment
- 3,055
- Students per teacher
- 13.8:1
- Resource Index
- 45/100
- Enrollment
- 2,743
- Students per teacher
- 14.7:1
- Resource Index
- 41/100
- Enrollment
- 2,439
- Students per teacher
- 16:1
- Resource Index
- 25/100
- Enrollment
- 1,696
- Students per teacher
- 12.4:1
- Resource Index
- 25/100
Similar high 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 (~519 students)
Next steps
Verify locally before acting on Csi High School for International Studies's federal record.
- Compare Csi High School for International Studies against another school. Compare schools
- New York City Geographic District #31'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 Csi High School for International Studies
How many students attend Csi High School for International Studies?
Csi High School for International Studies has 519 students enrolled. It is a high school in Staten Island, NY.
What is the student-teacher ratio at Csi High School for International Studies?
The student-teacher ratio at Csi High School for International Studies is 16.7:1, which is 42% higher than the New York average of 11.8:1 and 6% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Csi High School for International Studies?
53.3% of students at Csi High School for International Studies are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Csi High School for International Studies?
The largest demographic group at Csi High School for International Studies is Asian at 37.2% of enrollment, in Staten Island, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.8/100.
What is the Resource Investment Index for Csi High School for International Studies?
Csi High School for International Studies has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Csi High School for International Studies rank among high schools in Staten Island?
By Resource Investment Index, Csi High School for International Studies ranks #7 of 11 high schools in Staten Island, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Staten Island on the city page.
Is Csi High School for International Studies a good school?
Csi High School for International Studies earns 28/100 on the Resource Investment Index, with class sizes larger than 94% of New York schools. It is also more 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 #31?
Besides Csi High School for International Studies, New York City Geographic District #31 also operates Tottenville High School (3,750 students), New Dorp High School (3,055 students), and Susan E Wagner High School (2,743 students). See the New York City Geographic District #31 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.