API has served its purpose (if it ever did) | Thoughts on Public Education:
by John Fensterwald - Educated Guess
A court decision this week involving Los Angeles Unified has raised again the contentious issue of evaluating teachers using standardized test scores. But a recent report for the think tank Education Sector recommends adopting the same method developed by Los Angeles Unified to replace the Academic Performance Index as a statewide way of measuring schools’ progress.
Called Academic Growth over Time, AGT is a value-added model that compares students’ actual performance on state tests to their predicted performance based on demographic characteristics – family income, language, and ethnicity – as well as past test scores. The
