Save chart paper and avoid the mess of chalk dust. Magnetic Lined Dry Erase Board is great for teacher or student use and features solid blue lines spaced 1" apart.
Natural tan cork bulletin boards are a traditional favorite, thanks in part to their ability to withstand the wear and tear of repeated tacking.
Reversible write-on/wipe-off magnetic boards with flannel board backs. 18" x 24". Chalk trays included.