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Find the context, definitions, and practical questions behind this topic in New York education.
New York State publishes official school information through several NYSED systems, each built for a different purpose. The NYSED Data Site lists schools and their reported data…
School-year data and publication dates are different things. The data year is the period the numbers describe; the publication date is when the data product is released.…
Correlation means two things move together; causation means one thing produces a change in another. Education research often finds correlations in test scores, funding, attendance, or school…
Enrollment trends describe how many students were counted at a school, in a district, or statewide during a defined reporting period — not how good a school…
Comparing school results can be misleading because test scores and league tables often reflect student intake and demographics more than school quality. They are also noisy, and…
NYSED uses a 12-digit institution ID and a 12-digit SED code that is a BEDS code for P-12 schools or the institution ID for other institutions. BEDS…
Graduation rates and dropout rates measure different things: graduation rates track how many students in a cohort finish high school with a regular diploma, while dropout rates…
Percentage points measure the arithmetic difference between two percentages, while percent change measures the relative change from the starting value. If a school's proficiency rate rises from…
An enrollment number counts how many students were officially recorded at a school or district during a defined reporting period — nothing more on its own. It…
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