News & explainers
Reading the data
Plain-language guides to what the numbers mean — proficiency, suppression, neighborhood income, special-education inclusion, and more.
Explainer
Reading the special-education numbers
Inclusion, caseload, and staffing — what the special-education section on each profile measures, and why a raw proficiency gap isn't the number to judge a school by.
Explainer
What neighborhood income does — and doesn't — tell you
Attendance-area wealth tracks closely with test scores. Here's how to read that without falling into the obvious traps.
Methodology
Why some scores say “N/A,” not 0
A blank where you expected a number isn't a school failing — it's a privacy rule protecting a handful of kids.