...because her teacher has put her up a band and I don't know why! Or rather, presumably the teacher is happy that DD can read / blend sufficiently to move her onto red band books, it's just I've yet to see her read anything other than her name without significant prompting and use of the pictures in her books.
Oh well! I've said well done to DD and won't say anything to the teacher, and I'm pleased she's doing better than I thought. 