"The findings suggest that the United States has averted a dire outcome — stagnating at pandemic lows — but that many students are not on pace to catch up before the expiration of a $122 billion federal aid package in September. That money — the single largest federal investment in public education in the country’s history — has paid for extra help, like tutoring and summer school, at schools nationwide."

https://www.nytimes.com/interactive/2024/01/31/us/pandemic-learning-loss-recovery.html