and 9 percentile points in math among 3rd graders. clearly there's been a real decline because of covid when you compare 2021 to 2019 which was obviously a much more normal school year. >> i assume there's an income element behind the numbers. >> absolutely an income element. if you look at the low poverty areas versus high poverty areas, median student, math third grade, in the low poverty areas it's down but just 6 percentile points, and the high, 17 percentile when you compare the 2021 to 2019. obviously 2019 was before covid, and here's the reason why it's down so much in lower income areas or at least one of the reasons why. if you ask basically the parents of those students who had to stay home because the schools were closed, did your children have trouble completing your school work because of tech problems, in the lower income areas, look at that, income adults said that their children had problems, tech problems