Sourcing useful Non-Fiction extracts for school is difficult, especially as they might come from news sources that may not be the kind of literary non-fiction that often works well.
Below you can find a useful link that older students should considered:
https://www.theatlantic.com/entertainment/archive/2017/09/more-than-100-exceptional-works-of-journalism/536049/
As always, the contents of this link are outside the control of anyone apart from the writer(s) themselves.