GRAND ISLAND SENIOR HIGH SCHOOL

GRAND ISLAND SENIOR HIGH SCHOOL is a senior high of moderately sized scale in GRAND ISLAND, New York, overseen by GRAND ISLAND CENTRAL SCHOOL DISTRICT, works with 868 students in grades 9 through 12. Compared to the state average of about 668 students per school, that is 30% bigger than typical.

GRAND ISLAND CENTRAL SCHOOL DISTRICT runs 5 schools in total, collectively educating 2,829 students. GRAND ISLAND SENIOR HIGH SCHOOL is one of those campuses.

Demographically, GRAND ISLAND SENIOR HIGH SCHOOL lists that 84% of students identify as White, making the school strongly White-majority. The remainder comes out to 6% Hispanic, 4% multiracial, 4% Asian. The wider county runs roughly 74% White, putting the school's mix noticeably more White than the area baseline.

Looking at school resources, The school currently runs with 80 full-time-equivalent teachers, for a student-teacher ratio near 10.9:1. The state averages about 11.0:1, putting this campus right in line with peers. Roughly 29% of students at GRAND ISLAND SENIOR HIGH SCHOOL qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Erie County runs at roughly 51%, so the school's eligibility rate is somewhat below the surrounding baseline.

On a demographically-adjusted basis, GRAND ISLAND SENIOR HIGH SCHOOL ranks in the top 10% of New York public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 64.3%; GRAND ISLAND SENIOR HIGH SCHOOL posts 90.7%, +26.4 points above that line.

Across the wider county, the surrounding county (Erie County) shows that the typical household earns roughly $72,839 per year, about 38% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 9%. Across Erie County's 226 public schools (combined enrollment of about 122,519 students), GRAND ISLAND SENIOR HIGH SCHOOL is one campus in the mix.

VERONICA E CONNOR MIDDLE SCHOOL is the nearest neighboring public school, about 0.0 miles from this campus. Counting just inside five miles, 8 other public schools cluster around GRAND ISLAND SENIOR HIGH SCHOOL. Among the 8 schools in that immediate cluster with test data (this one included), GRAND ISLAND SENIOR HIGH SCHOOL ranks 1st on composite proficiency, above the local average of 54.6%.

The school occupies an outer-ring site.

Looking at the recent track record. GRAND ISLAND SENIOR HIGH SCHOOL's enrollment has edged down 11% since 2018, when it stood at 978 (now 868). Over the same period, the White share declined from 88% to 84%. Class-load math has fell: from 13.4:1 in 2018 to 10.9:1 in 2025.

On allk12, the page collects discussion, questions, and updates around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.