Common-core anxiety sweeps the land, and professional developers of curriculum and assessment smell dollars. Flashy brochures promise that once that purchase order is signed, every child will pass the new tests. For a pittance more, they'll make the lion lie down with the lamb.
District administrators would be wise to lay down their pens. There's a valuable resource right in front of their eyes. It requires no lengthening of the school day, no elimination of art and music, and no endorsement of checks to third-party developers. It's so familiar we no longer notice it. It's called the history/social studies curriculum.