Louis M Klein Middle School, Harrison NY

Original Research by School Decision on Louis M Klein Middle School

Louis M Klein Middle School serves the middle grades in Harrison, a prosperous residential suburb anchored by major corporate headquarters in the Purchase hamlet and a revitalized downtown along the Metro-North corridor. The school draws from a community that is more affluent and better educated than the Westchester County average, with recent housing development centered on transit-oriented multifamily projects that have added to the school-age population.

The school enrolls a student body of roughly mid-sized volume for its grade band, with about equal distribution across grades six and seven and a somewhat smaller eighth-grade cohort. The demographic composition is predominantly white, with a meaningful presence of Asian and Hispanic students and a smaller proportion of Black students. About a fifth of students qualify for free or reduced-price lunch, suggesting a student population with mixed economic backgrounds, though the overall community skews affluent.

In mathematics, Klein performs notably in grades six and seven. Sixth-grade math proficiency stands well above where it needs to be, while seventh-grade math shows solid performance, though with a slight dip from the sixth-grade level. Eighth-grade math proficiency data is problematic: only a very small fraction of eighth graders were administered the state assessment, and those who were scored at a proficiency level of zero. This appears to reflect a testing administration or enrollment issue rather than genuine academic performance, and a parent would want to contact the school directly to understand what happened with eighth-grade math assessment.

English language arts proficiency shows a different pattern. Sixth graders perform respectably in ELA, landing above the middle range. Seventh-grade ELA proficiency drops noticeably, to below where the school performs in sixth-grade math. Eighth-grade ELA recovers somewhat, with proficiency again moving toward the solid range. Science, assessed only in eighth grade, shows proficiency near or slightly above the midpoint among Westchester County districts. The school has not reported recent state assessment data in social studies.

Taken as a whole, Klein's proficiency index across tested subjects and grades places the school above the midpoint among Westchester County districts. Math strength in the earlier grades and science performance in eighth grade anchor the school's academic position, while ELA performance, particularly in seventh grade, represents the area where outcomes lag the school's math results.

The district is in the midst of significant change. In late 2023 voters approved a major facilities bond to expand instructional space and upgrade infrastructure across all six district schools, driven by enrollment growth that exceeded projections. Construction began in summer 2024 and is scheduled for completion in 2027, adding new classrooms, secure entrances, and athletics and arts spaces. For the 2024-25 school year, the district proposed a tax levy above the New York State tax cap for the first time in its history, signaling that rising enrollment and costs are putting upward pressure on local school property taxes.

Publicly reported information indicates the school maintains regular state testing participation in most grades, though the eighth-grade math anomaly noted above warrants clarification with the school. The school website was not available in this review, so additional programmatic details such as course offerings, electives, or extracurricular opportunities are not included here. A parent considering Klein would benefit from speaking directly with the school about eighth-grade math logistics, the ongoing facilities expansion and its effects on class sizes and scheduling, and the district's growth trajectory.

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Academic performance

How students perform on state tests, by grade, set against the district.

New York Regents Exams

1 course 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
Math	284	98.0%

Math

Grade 686%

School 86% · District 85% · ▲ 1 pts above district

▲ 41 pts above state median · ▲ 35 pts above county median

Grade 780%

School 80% · District 80%

▲ 27 pts above state median · ▲ 26 pts above county median

Grade 80%

School 0% · District 14% · ▼ 14 pts below district

▼ 37 pts below state median · ▼ 39 pts below county median

English language arts

Grade 673%

School 73% · District 72% · ▲ 1 pts above district

▲ 27 pts above state median · ▲ 25 pts above county median

Grade 762%

School 62% · District 62%

▲ 15 pts above state median · ▲ 10 pts above county median

Grade 867%

School 67% · District 67%

▲ 19 pts above state median · ▲ 14 pts above county median

Science

Grade 877%

School 77% · District 77%

▲ 44 pts above state median · ▲ 59 pts above county median

Social studies

Grade 893%

School 93% · district not reported

▲ 14 pts above state median · ▲ 4 pts above county median

This schoolHARRISON CENTRAL SCHOOL DISTRICT, same grade

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.

Proficiency by household income

English language arts

Grade 6Lower-income64%Higher-income75%11 pp gap

Grade 7Lower-income55%Higher-income64%9 pp gap

Grade 8Lower-income55%Higher-income71%16 pp gap

Mathematics

Grade 6Lower-income64%Higher-income91%26 pp gap

Grade 7Lower-income74%Higher-income82%8 pp gap