The RFC (Request for Comments) series contains technical and organizational documents about the Internet, including the technical specifications and policy documents produced by theInternet Engineering Task Force of the Internet Society (Wikipedia)
Some of these are standards, some have just informational or experimental status. The publications process has been design to be fast and there is a peer control mechanism (i.e. an RFC first must be published as an Internet Draft.
Today there are over 3000 RFCs (some obsolete, e.g. superseded by more recent ones).
Some of the most popular RFCs concern all the things that make Internet work....
A few contain guidelines for usage/behavior, e.g.
“Read both mailing lists and newsgroups for one to two months before you post anything. This helps you to get an understanding of the culture of the group.”
These are technical documents that tell how to use standards (e.g. implement something). E.g.
There are not many RFC standards that address education, since RFCs deal with rather lower technical layers of Internet.