The top reported proficiency rate is 37% in Math. The lowest is 29% in Science.
Original Research by School Decision on Thomas Cornell Academy
Thomas Cornell Academy serves students from pre-kindergarten through sixth grade in Yonkers, a densely developed city in southern Westchester County that has undergone sustained downtown revitalization alongside concerns about housing affordability and displacement. The school enrolls a small cohort, drawn almost entirely from the immediate neighborhood: the student body is overwhelmingly Hispanic, with substantial representation from Black and Asian students, and a large majority qualify for free or reduced-price lunch, reflecting the economic circumstances of the families the school serves.
The school's academic performance, measured by state testing, presents a sobering picture. In mathematics, proficiency rates across grades three through six range from low-to-mid thirties up to about half of students meeting state standards. In English language arts, performance is weaker: proficiency rates dip as low as about one in seven students in third grade, rising to just under half by fifth grade before declining again in sixth grade. Science proficiency, tested in fifth grade only, sits below one in three. Across subjects and grades, the school's overall proficiency index places it in the bottom quartile among Westchester County districts. These numbers suggest that a substantial share of students are working below grade-level expectations and may benefit from intensive reading and math intervention. A parent considering Thomas Cornell should look into the school's specific supports for struggling learners, whether the school has identified patterns in which grades or cohorts fall furthest behind, and what interventions or tutoring are available.
State testing data became available for grades three through six only; pre-K through grade two are not assessed statewide, so their academic trajectory remains unmeasured in these results. The school participates fully in state testing, with participation rates near or at one hundred percent, indicating reliable data. One caveat: the science assessment's cut score changed between years, flagging a measurement shift that may affect comparability.
The broader context matters. Yonkers, the state's third-largest city, sits at the epicenter of regional economic change. Downtown development has brought new housing, jobs, and amenities, particularly around the waterfront and the Lionsgate Studios complex now opening downtown. A new dual-language pre-K-8 community school, Justice Sonia Sotomayor, opened in fall 2024, the district's first new building in more than two decades; a second similar school has been announced for the Grant Park area. The district is undertaking a long-term rebuild of its aging facilities, a signal of sustained public investment. At the same time, housing values in the zip code containing Thomas Cornell have risen, and rent has followed, pricing out some longtime residents even as the neighborhood transforms. The school's own student composition—predominantly low-income and Hispanic—reflects the families who remain in the immediate area, many of whom may be renters rather than homeowners positioned to benefit from property appreciation.
Thomas Cornell is a regular public school with no magnet status or charter designation. Its grade span (pre-K through 6) means families will need to transition to a middle or secondary school afterward, a common arrangement in urban districts but one that requires an additional school choice and transition. The district remains under mayoral governance rather than an elected school board, a structure that shapes how parent voice flows into decision-making.
For families weighing this school, the essential questions are whether the school offers the intensive support and structured reading and math instruction their child needs, whether they expect strong growth in foundational skills, and whether they are comfortable with accountability metrics that show most students working below proficiency. For families already in the neighborhood seeking a pre-K or early elementary placement, the opening of the Sotomayor school in fall 2024 offers an alternative with dual-language curriculum that may be worth weighing alongside Thomas Cornell.
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