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CSI High School for International Studies

100 ESSEX DRIVE

District 31 · NYC Public Schools · High school · Grades 9–12 (2025–2026)

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Enrollment

503 students in school year 2025–2026. Change since 2018–2019: +7 students (+1.4%).

Whole-school enrollment by school year
School yearStudents
2018–2019496
2019–2020487
2020–2021505
2021–2022523
2022–2023512
2023–2024519
2024–2025521
2025–2026503

Spending per student

Latest reported, school year 2024–2025: $25,391 per student (state & local $24,004 · federal $1,387).

Same-year medians: District 31 $36,168 · citywide $33,315

Reported spending per student by school year
School yearTotalFederalState & localStudents (state count)
2018–2019$12,810$139$12,670492
2019–2020$13,193$111$13,082493
2020–2021$13,129$294$12,835507
2021–2022$13,922$703$13,219522
2022–2023$14,222$351$13,871512
From 2023–2024, figures include a share of citywide costs, such as central offices. Not comparable with earlier years.
2023–2024$24,689$2,648$22,041519
2024–2025$25,391$1,387$24,004519

Other schools in District 31, Staten Island

NYC public schools, by the numbers: staff, pay, budget and English learners →

Sources: New York City Public Schools enrollment data and spending per student reported by the New York State Education Department. Missing years are not zero. Enrollment and spending are not school-quality ratings. How we check the data