Stanford Education Data Archive (SEDA 2025.1)
Version 2025.1; both subjects must use 2022-2025 or both must use the 2009-2019 historical fallback- Data
- The exact approved all-student administrative-district math and reading/language-arts achievement scores, each based on Stanford's Empirical-Bayes Cohort Standardized estimate and adjusted standard error.
- What it tells us
- Summarizes average nationally comparable math and reading achievement among tested public-school students in grades 3-8. It does not show growth, causal school effectiveness, an individual child's likely outcome, or full school quality.