This one sort of sneaked past me. By the time I knew about it, I already had too much planned to start in January, so I’m putting it off, maybe till March or April.
As of this writing, their website boasts that “385,390 people are learning to code this year.” A lot of those people are librarians. You can follow some of them on Twitter (#codeyear and #libcodeyear). For those in ALA, there’s also a LITA / ALCTS Library Code Year Interest Group.