Some schools are using the funding, including on programs like high-dosage tutoring and extending the school year, but not on the scale needed to match the academic recovery.

One hundred thirty-five students, four teachers, one giant classroom: This is what ninth grade looks like at Westwood High School, in Mesa, Arizona’s largest school system.

Interactive Education Recovery Scorecard shows the difference between 2019 and 2022 test scores in some districts "was essentially zero" while students elsewhere fell much further behind. Scorecard should help superintendents recalibrate their plans to tackle learning loss, say the researchers at Harvard and Stanford universities who conducted the analysis.