Assessing the quality of elementary schools like P.S. 307 remains complex, as test scores don't tell the full story of student progress.
Evaluating the quality of elementary schools is a challenging endeavor, and P.S. 307 in Brooklyn exemplifies this complexity. The school gained notoriety when New York Times journalist Nikole Hannah-Jones shared her experiences of low expectations and inadequate resources there years ago. Despite a new principal now at the helm, the lingering question for parents and officials remains: How well is the school serving its students today?
The first instinct may be to check standardized test scores. For instance, in 2025, only about a quarter of P.S. 307 students achieved proficiency in state exams, a figure that falls significantly below the city average. However, relying solely on raw test scores can be misleading, particularly for schools with high populations of low-income students and a significant number of special education learners.
To get a fuller picture of educational effectiveness, many experts advocate evaluating student growth, or how much progress students make during their time at a particular school. Yet, when examining P.S. 307 through the lenses of different growth metrics, the inconsistency can be perplexing. According to city assessments, P.S. 307 significantly underperforms, while state evaluations suggest the school exceeds expectations slightly.
This divergence raises immediate questions: What accounts for the discrepancy? Understanding the nuances behind measuring student progress in elementary schools is essential for parents seeking clarity and for policymakers determining needed interventions.
At the heart of the problem lies the challenge of establishing a “value-added” metric, which attempts to quantify a school's contribution to educational advancement. Such models rely on sophisticated statistical analyses to determine how students fare at a specific school compared to similar institutions. While debated, these metrics can provide meaningful insights, especially at the middle and high school levels. However, elementary models have not been as extensively validated.
New York City has begun to apply value-added or “impact” scores to assess school performance, but experts like Peter Hull from Brown University have raised concerns about the applicability of these scores to elementary settings. Critics point out that the city's methodology does not take students' third-grade test scores into account as a baseline, which complicates the assessment of their subsequent progress.
In contrast, the state employs a different approach, evaluating yearly growth based on prior-year test performance. Researchers like Dan Goldhaber and Tom Kane express greater confidence in the state’s method, as it provides a more reliable measure of growth. However, the state’s model still has its drawbacks, focusing solely on progress in grades four and five and dismissing earlier performances that might inform a school’s overall effectiveness.
One risk of this methodology is that it might inadvertently penalize schools that excel in the early grades, making it harder to observe growth later on. Past research indicates that, during high-pressure evaluations, schools might shift their best teachers away from younger grades to improve metrics, which counters the goal of fostering a strong educational foundation from the start.
Officials note that demographic considerations — such as poverty levels and challenges faced by students with disabilities — shaped their decisions around school evaluations. However, experts such as Hull underscore that assessing elementary school growth effectively remains a formidable challenge since formal testing does not occur until the third grade.
The crux of the matter is that there isn't a singular, straightforward method to determine if P.S. 307 or any elementary school is effectively promoting academic growth. Policymakers and educators alike aim to provide insightful information for parents, yet disentangling a school’s impact from broader socio-economic and systemic variables involves considerable complexity.
While numerical assessments have their place, they don't capture the complete school experience. For parents seeking a richer understanding, conversations with other parents can reveal valuable insights. I recently visited P.S. 307 to gather direct feedback from families, and I'll share those observations soon. This qualitative approach might offer perspectives that data alone cannot fully convey.
Matt Barnum is Chalkbeat’s ideas editor. Reach him at [email protected].
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