Grand Island Senior High School, Grand Island NY

Original Research by School Decision on Grand Island Senior High School

Grand Island Senior High School serves the four high school grades in a small island town between Buffalo and Niagara Falls. The enrollment is modestly sized, with roughly equal numbers of ninth through twelfth graders. The student body is predominantly white, with smaller shares of Hispanic, Asian, multi-racial, Black, and American Indian students. About a quarter to a third of the student body qualifies for free or reduced-price lunch, indicating moderate economic diversity within the school population.

The town itself is a residential island community oriented around single-family homes and owner-occupied properties, with limited walkable commercial density. The landscape is defined by parks, trails, and waterfront recreation rather than by urban density. Day-to-day life centers on driving along the central boulevard or crossing tolled bridges to reach Buffalo and Niagara Falls. Commercial activity includes manufacturing facilities such as a Milk-Bone operation and pharmaceutical production, alongside broader regional employers in the Buffalo-Niagara area. The housing stock is mostly mature, built through the mid-to-late twentieth century, though new subdivisions are being marketed. The median home value in the area is moderate relative to national benchmarks, and rental costs run somewhat lower than ownership costs per unit.

State assessment results, graduation rates, and test-score trends were not available in the data provided, so it is not possible to characterize academic proficiency or completion outcomes for this school. The absence of these metrics reflects either a data gap or the nature of state reporting. A parent considering this school would benefit from requesting academic performance data, graduation rates, and course offerings directly from the school or district, as those benchmarks are essential to understanding the school's academic pathway and rigor.

The school operates within the Grand Island Central School District, which recently conducted a townwide property revaluation that reset assessed home values and directly changed school tax calculations for residents. The district also put a significant capital improvement project to a public referendum, financed largely by state building aid, to address infrastructure, energy efficiency, accessibility, and health and safety upgrades across buildings. These changes have real weight for families: the property revaluation means new residents' school tax bills reflect current market conditions more closely, and the capital project represents a multi-year commitment with attendant tax implications.

Grand Island Senior High School offers families a high school experience in a quiet, family-oriented island setting with strong recreational and park infrastructure. To make an informed enrollment decision, prospective families should seek out the school's and district's offerings in course breadth, career and technical pathways, extracurricular activities, and support services, along with recent academic performance measures.

See more original research from School Decision →

Academic performance

How students graduate and prepare for what comes next.

Graduation rate (ACGR)

97.0%Cohort of 233 students · Class of 2021

How this school compares to all schools in this state

Each dot is one school’s SY 2020-21 graduation rate, binned by integer rate. Taller columns mean more schools at that rate. This school is highlighted.

1,253 schools plotted. 14 additional schools' rates are federally suppressed and not shown. Data: EDFacts SY 2020-21.

Advanced Placement & IB

15 subjects offered · 2023-24

Each card is one AP or IB subject. The headline number is the share of students scoring 3 or higher on the exam — the threshold for college credit at most universities. The bar below each rate shows the underlying distribution across performance levels.

Score:12· no credit345· extremely well qualified

Math and Computer Science

Calculus AB

17 tested

82.4%

scored 3 or higher

Statistics

22 tested

50.0%

scored 3 or higher

Sciences

Biology

14 tested

85.7%

scored 3 or higher

Chemistry

12 tested

100.0%

scored 3 or higher

Physics C: Electricity and Magnetism

12 tested

41.7%

scored 3 or higher

Physics C: Mechanics

12 tested

58.3%

scored 3 or higher

History and Social Sciences

Macroeconomics

33 tested

45.5%

scored 3 or higher

Psychology

46 tested

60.9%

scored 3 or higher

U.S. History

64 tested

89.1%

scored 3 or higher

Arts

Studio Art Drawing

1 tested

0.0%

scored 3 or higher

Other

Language and Comp

63 tested · Grade 10

71.4%

scored 3 or higher

Literature and Comp

43 tested

83.7%

scored 3 or higher

Studio Art 2d Design

4 tested

0.0%

scored 3 or higher

U S Government and Politics

33 tested

87.9%

scored 3 or higher

World History

37 tested · Grade 10

94.6%

scored 3 or higher

New York Regents Exams

4 courses reported · 2024-25

End-of-course exams required for a New York Regents diploma. Each row shows the cohort size and the share of students scoring at the proficient level or higher.

Course	Students tested	% proficient
Social Studies	252	93.0%
Ela	200	95.0%
Math	185	89.0%
Science	73	78.0%

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.