Whiteboard can be painted!
Step 1: Clean really well with a de-greaser.
Step 2: Sand with 80 grit sandpaper to really rough it up.
Step 3: Tape it off.
Step 4: Prime!
Step 5: Paint with chalkboard paint, two coats.
To break the fresh chalkboard in, color over the whole thing with the side of some chalk:
Then erase and let the kids at it! We've used this for a yard sale sign and at my sisters wedding. My girls also use it for their summer lemonade stands, playing school, and just doodling. Our easel is as good as new!