> my kids' books and chromebooks are always nice and new
There's plenty of evidence that parental attitudes are a big factor:
"Middle-class pupils do better because parents and schools put more effort into their education, according to a study [..] factors studied were the parents' interest in their children's education, measured by, for example, whether they read to their children or attended meetings with teachers"[0]
(Full disclosure: my wife and I read - and have read - to our kids almost every single night)
[0] https://www.theguardian.com/education/2010/oct/29/middle-cla...