Seems like this chart could work both ways---- Teacher could be in charge of it as she sees fit. Also, student could move his/her name pin to whichever category he's feeling. That could clue teacher into the internal dialogue of a particular student.
(Activity Ideas) Word work ideas: each pencil case has a different way to practice spelling words. Spelling words houses in one locations. Students choose word list, grab a pencil case, and practice words. Only have to change the word lists.