https://arstechnica.com/tech-policy/2020/02/google-faces-state-lawsuit-alleging-misuse-of-schoolkids-private-data/

Adults who use Google products and services tend to know, at least on some background level, that the cost for access to "free" tools is paid in data. Google also provides low- and no-cost hardware and software tools to students and educators in school districts nationwide, and one state now says that children are also paying that privacy price, in violation of the law.