Every tool here is built on public data. This is the catalog of those datasets — each one sourced, normalized, and documented, so anyone can understand exactly what’s behind a number or reuse the data themselves.
Page reviewed July 2026 · each dataset names its source years
The state’s annual fall headcount of every student in every public school, by grade, race/ethnicity, and economic status — normalized across three file-format eras into one SQLite database. The explainer walks the formats, the 2006–07 race/ethnicity change, the gotchas, and the schema.
Powers School Demographics · Read the explainer →
New Jersey's annual report card: NJSLA test scores (the full 1–5 performance levels and student-growth percentiles), graduation rates, and chronic absenteeism. The explainer covers each measure, why we chart test scores against a flat proficiency line, and the suppression and post-COVID caveats.
Powers school & district profiles · Read the explainer →
District user-friendly budget files: proposed operating budgets, operating revenue mix, spending categories, side files, estimated enrollment, and the state-published comparative cost per pupil. The budget layer includes a statewide report, issue briefs, county briefs, district first reads, and full district reports where UFB rows match profiles.
Powers budget report, issue briefs, explorer, and district reports · Read the explainer →
What “documented” buys you: for three school years the state misspelled one column heading — “Eighth Grade” written as “Eight Grade” — and standard tools recorded zero eighth-graders statewide until we caught it. Finding quirks like that, tracing them, and writing them down is the work. See the gotchas →
