This is Google using its dominant position in edtech to force AI on students, with the aim of instilling AI dependence in the workforce of tomorrow: https://www.nytimes.com/2026/11/03/us/google-search-schools-restrict-ai.html
Chromebooks are ubiquitous, and Google is their default search engine. In many cases, other search providers are blocked on the device, so switching to DuckDuckGo isn't a solution.
A properly functioning Dept of Education, FCC, and Antitrust Division would come down on this like a battleship dropped from orbit.