4-year graduation
99%
CSI High School for International Studies (31R047) is a public school in District 31, Todt Hill-Emerson Hill-Heartland Village-Lighthouse Hill, Staten Island, serving grades 9–12. Enrollment was 503 students in 2025–26 (NYC DOE).
Visit school websiteThe one thing to remember
Advanced Regents diploma rate (2025) is 53%, higher than most high schools in the district and citywide.
96%
of parents trust the principal
95%
trust their child's teachers
95%
satisfied with the education overall
NYC School Survey 2026. 82% of families answered.
4-year graduation
99%
English Regents pass rate
96%
Algebra I Regents pass rate
82%
Geometry Regents pass rate
57%
Algebra II Regents pass rate
78%
Living Environment Regents pass rate
85%
Global History Regents pass rate
94%
U.S. History Regents pass rate
94%
Chemistry Regents pass rate
77%
Physics Regents pass rate
76%
Earth Science Regents pass rate
89%
| Measure | Csi High School for International Studies | Gaynor McCown Expeditionary Learning School |
|---|---|---|
| Enrollment (2025–26) | 503 | 543 |
| Student–teacher ratio (2025–26) | 18.0 | 13.4 |
| Family satisfaction (2026) | 95% | 94% |
| Principal trust (2026) | 96% | 98% |
| Teacher trust (2026) | 95% | 97% |
| Leadership (2026) | 95% | 97% |
| 4-year graduation rate (2025) | 99% | 99% |
| Regents diploma rate (2025) | 97% | 99% |
| Advanced Regents diploma rate (2025) | 53% | 12% |
| Distance between schools | <0.01 mi | |
Csi High School for International Studies has higher advanced Regents diploma rate (2025) than Gaynor McCown Expeditionary Learning School (53% vs 12%).
Enrollment
503 students
9–12 · up 16 over five years
NYC DOE · 2025–26
Students per teacher
18.0
students per teacher
NYC DOE · 2025–26
English learners
3%
was 2% in 2024–25
NYC DOE · 2025–26
Economic need
61% of students live in poverty (2025–26)
Economic need index: 52% — the measure we use to compare similar schools.
NYC DOE · 2025–26
Special education
18%
of students here are in special education
NYC DOE · 2025–26
Student body: 33% White, 24% Hispanic, 37% Asian, 6% Black, 1% multiracial, 48% female, 52% male.
Economic need index: 52% — the measure we use to compare similar schools. It combines measures of students’ economic circumstances; it is not a measure of school quality.
NYC DOE · 2026 survey
NYC DOE · 2024–25
Admissions for NYC public schools go through MySchools. This school has no attendance zone; admission is through MySchools.
100 Essex Dr, Staten Island, NY 10314, USA
Source: NYC DOE / NYSED, 2026 · School information · View this school's official NYC DOE School Quality Snapshot
Admissions for NYC public schools go through MySchools.