These colors are amazing. The cobalt blue jeans, offer so many opportunities to coordinate with. This top is a perfect example. The peach floral, with a bit of the blue involved in it is a perfect look.
We use lanyards for three different hall passes (library, office, locker/restroom) so I could make something like this actually work for my high school classroom! (Elem teachers get all the cute stuff)
Use vinyl transfers to make semi-permanent decals for words you don’t want to have to rewrite everyday. 36 Clever DIY Ways To Decorate Your Classroom. I also like the ribbons window treatment & iron-on fabric letter ideas.