Good read: "Open Source Friday" wants to remind employees to contribute: https://opensource.com/article/17/6/open-source-friday-give-back
A good initiative as I think. And it could be adopted for the educational context as well: Teachers could remind students every week to contribute to the net as they build their knowledge on the open web every day. They could file an issue on GitHub or add to Wikipedia or write a blogpost. Many opportunities exist.