I didn’t use different categories and tags for different audiences I would spin up a new blog like https://clmooc.jgregorymcverry.com I am just as bad organizing digitally as I am in real life.
Yet I like the backstage post. It is an idea I took from Alan Levine as part of a course he ran called YouShow. I used tumblr for my first backstage blog https://throwingwhilewriting.tumblr.com
A backstage blog is really a tutorial/reflection as a step by step guide on how to do something with digital media. Being a class on teaching and learning I think it is important for participants to think about this. Making a separate category or tag kind of frames the mind and puts people in the mindset for reflection.
You do a ton of “backstage” posts all the time. Just call them something different.
I also want the tag or category so I can get real creative with the feeds page. Once I get students using post kids, categories, and tags well I can start having a ton of fun embedding feeds in new ways.