Hiawatha School, Lake Ronkonkoma NY

Original Research by School Decision on Hiawatha School

Hiawatha School is a public elementary school serving kindergarten through fifth grade in Lake Ronkonkoma, part of the Sachem Central School District. The school enrolls a diverse population of roughly equal numbers of white and Hispanic students, with a substantial share of Asian students and smaller Black and multiracial populations. Nearly half the enrollment qualifies for free or reduced-price lunch, reflecting a school community with moderate economic diversity.

On state testing, Hiawatha shows mixed results that vary by grade and subject. In mathematics, performance improves noticeably as students move up: third-grade proficiency sits below the midpoint, fourth-grade jumps to just under three-fifths proficiency, and fifth-grade reaches nearly two-thirds. English language arts lags math across all grades, with third grade at three-tenths, fourth grade at just under two-fifths, and fifth grade at roughly mid-range. Fifth-grade science proficiency is just above half. Compared against other districts in Suffolk County, Hiawatha's overall proficiency index sits above the midpoint, a strength that reflects gains in upper elementary grades even as younger grades struggle.

The school sits within the Sachem district, which faces real financial headwinds that parents should understand. The district has rejected budget proposals and drawn on reserves to maintain programs, with publicly reported deficits projected for upcoming years. In 2025 voters also rejected a proposal to sharply reduce bus eligibility, preserving existing transportation. These signals point to ongoing property tax pressure and the possibility of future program cuts or service changes. A parent considering this school should monitor district communications about budgets and plan accordingly for changes to services or fees.

The community itself is in transition. Lake Ronkonkoma is a mid-sized hamlet anchored by the largest freshwater lake on Long Island and its ring of county parks, plus a major rail hub at the Ronkonkoma LIRR station. A large transit-oriented development called Station Yards is under way around the station, bringing new mixed-use housing and commercial space to the area. Housing in the broader Ronkonkoma zip code is somewhat more affordable than in neighboring areas, and prices have been rising modestly, making the area an active market for families relocating from New York City who want to preserve commuter access.

Hiawatha's enrollment of around mid-elementary-sized cohorts varies by grade, with particularly large fifth-grade and second-grade classes. Special-population data (English learner and special education enrollment) was not available, so a parent may want to ask the school directly about support services and how needs are met. The school is a regular public elementary campus without magnet or charter designation.

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Academic performance

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

Math

Grade 339%

School 39% · District 57% · ▼ 18 pts below district

▼ 20 pts below state median · ▼ 18 pts below county median

Grade 459%

School 59% · District 54% · ▲ 5 pts above district

▲ 1 pts above state median · ▲ 2 pts above county median

Grade 567%

School 67% · District 53% · ▲ 15 pts above district

▲ 16 pts above state median · ▲ 18 pts above county median

English language arts

Grade 330%

School 30% · District 49% · ▼ 19 pts below district

▼ 22 pts below state median · ▼ 17 pts below county median

Grade 438%

School 38% · District 44% · ▼ 6 pts below district

▼ 15 pts below state median · ▼ 13 pts below county median

Grade 546%

School 46% · District 42% · ▲ 3 pts above district

▼ 9 pts below state median · ▼ 1 pts below county median

Science

Grade 551%

School 51% · District 46% · ▲ 5 pts above district

▲ 9 pts above state median · ▲ 11 pts above county median

Social studies

Grade 5100%

School 100% · district not reported

▲ 8 pts above state median · ▲ 3 pts above county median

This schoolSACHEM 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 3Lower-income24%Higher-income36%12 pp gap

Grade 4Lower-income39%Higher-income36%2 pp gap

Grade 5Lower-income40%Higher-income50%10 pp gap

Mathematics

Grade 3Lower-income28%Higher-income50%22 pp gap

Grade 4Lower-income63%Higher-income53%9 pp gap

Grade 5Lower-income62%Higher-income72%10 pp gap