Covid-19 and education: The lingering effects of unfinished learning
mckinsey.com
mckinsey.com
> To get a sense of the magnitude of these gaps, we translated these differences in scores to a more intuitive measure—months of learning. Although there is no perfect way to make this translation, we can get a sense of how far students are behind by comparing the levels students attained this spring with the growth in learning that usually occurs from one grade level to the next. We found that this cohort of students is five months behind in math and four months behind in reading, compared with where we would expect them to be based on historical data.