Data Sources

SchoolMap aggregates publicly available federal and state education data. All datasets are updated annually.

NCES Common Core of Data (CCD) — Directory

School & District Info

The CCD is the U.S. Department of Education's primary database on public elementary and secondary education. It provides directory information for every public school and local education agency (LEA) in the country — including name, address, phone, grade span, type, and operational status.

nces.ed.gov/ccd

NCES CCD — Enrollment (Membership)

Enrollment & Demographics

Student enrollment counts broken down by grade, race/ethnicity, and sex. Used for total student counts, gender ratios, and racial/ethnic demographic breakdowns shown on each school and district page.

NCES CCD — Free & Reduced-Price Lunch

Low-Income Indicator

Students eligible for free or reduced-price lunch under the National School Lunch Program. Used as a proxy for the share of low-income students in a school or district.

NCES CCD — Staff

Staff Data

Full-time-equivalent (FTE) teacher counts per school, used to compute the student-to-teacher ratio.

California SBAC (Smarter Balanced)

Test Scores & Ratings

Smarter Balanced Assessment Consortium scores for California public schools and districts — Math and ELA (English Language Arts) proficiency rates for all tested students. Used to compute SchoolMap's 0–10 performance ratings. Only entities with ≥ 100 tested students are scored.

caaspp.cde.ca.gov

NCES School Geocode File

Map Locations

Latitude and longitude coordinates for public schools, used to place school pins on the map.

U.S. Census TIGER/Line Shapefiles

District Boundaries

School district boundary polygons from the U.S. Census Bureau, used to draw district shapes on the map.

census.gov

School year

Data currently reflects the 2024–2025 school year for directory and enrollment data, and the most recent available year for SBAC assessment scores.