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PhiladelphiaAlgorithm

School demographic shares from per-grade counts

The district's enrollment file has one row per school and grade. School-level shares are computed by summing counts across grades and dividing, which weights each grade by its enrollment.

  1. 1
    How it was computedSteps
    1. Σ counts per group across grade rows.
    2. share = 100 × group count / total enrollment.

    Inputs: sdp_enrollment_demographics_school_2024-25

    Evidence: scripts/loaders/philly/sdp_enrollment_demographics.ts

  2. 2
    Assumptions & caveatsAssumptions
    • Per-grade rows are complete for each school.