The top reported proficiency rate is 100% in Social studies. The lowest is 64% in English language arts.
Original Research by School Decision on Riverside School
Riverside School sits on a residential street in Rockville Centre, a small, walkable village on Long Island's South Shore with a busy downtown, frequent LIRR service to Manhattan, and a housing market that ranks among the more expensive in New York State. It is one of five elementary schools in the Rockville Centre Union Free School District, serving kindergarten through fifth grade.
The school is small. Grade cohorts are modestly sized, which means state assessment results rest on relatively few tested students in any given year, and a handful of individual results can shift the school's picture noticeably. Parents should keep that context in mind when reading the proficiency data.
On the New York State Testing Program, Riverside's results across grades three through five are a mixed picture. Math proficiency is solidest in fourth grade, where the large majority of tested students reached the proficient-or-above threshold. Fifth-grade math sits at a comfortable majority. Third-grade math comes in at roughly half, which is a soft spot worth asking the school about, particularly given the small tested cohort. In ELA, fifth grade stands out clearly as the strongest result, with well over three-quarters of students proficient. Fourth and third grade ELA come in around half, trailing the fifth-grade result by a wide margin. Fifth-grade science lands in the mid-sixties, a middling result. Taken together, the school's overall proficiency index places it above the midpoint among districts in Nassau County, though not near the top of that set. Social studies data from the current period was not reported; only a very old result is on file, so that subject is effectively an information gap.
Participation rates in a few tested cohorts came in below full enrollment, which can sometimes affect how results are interpreted. A parent may want to ask the school directly about testing participation practices.
The enrollment is small for an elementary school, covering a wide span from kindergarten through fifth grade. Demographically, the school is majority white, with Hispanic students making up roughly a quarter of enrollment, Black students a smaller share, and the remainder split across Asian and multiracial students. About a quarter to a third of students qualify for free or reduced-price lunch, which reflects a meaningful share of economic need without being a majority. Data on English learner enrollment and students with IEPs was not available in the data provided.
Rockville Centre itself is a genuinely walkable place by Long Island standards, with a downtown anchored by independent restaurants, bars, boutiques, and a movie theater along the Sunrise Highway and Merrick Road corridors, all within reasonable distance of the LIRR station. Mercy Medical Center, Molloy University, and the Diocese of Rockville Centre are major local employers. Hempstead Lake State Park sits just west of the village. The housing market here is expensive relative to state and national benchmarks, and home values have continued rising. Renting is also costly; the rent-to-income ratio in this zip code runs well above typical thresholds.
Prospective families should be aware of two district-level developments reported publicly. The 2026-27 budget, adopted after a voter referendum, eliminates a substantial number of teaching positions and teaching assistant positions, the result of a deficit driven by rising property values and stagnating state aid. That is a real reduction in instructional staffing that could affect class sizes and course availability across the district's schools, including at the elementary level. The same budget carries a tax levy increase, translating to a recurring annual property-tax increase for the average homeowner. Both are material facts for anyone considering a home purchase in the village with children in mind.
Program detail specific to Riverside School was not available in the data. The district operates a middle school and South Side High School, which is publicly reported to have a strong academic reputation with broad course offerings at the secondary level, but that is the secondary pathway, not the elementary one. For a family in the early grades, the more immediate questions are how the school supports students who are behind the proficiency threshold in third and fourth grade ELA and math, and how the staffing reductions will be distributed across grade levels and roles. Those are worth raising directly with the school before making a decision.
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