Also, as mentioned above, there's still a ways to go on this, and while the company has had some success in testing, there are still some hiccups.

ENGADGET: The Engadget Interview: Bre Pettis talks MakerBot's Digitizer Desktop 3D Scanner

Mr. MONTY NEILL (Co-Director, National Center for Fair and Open Testing): While scores have tended to go up on NAEP at grade four--and in math they went up fairly solidly for a while--they've now leveled out.

NPR: Mixed Report Card for U.S. Schools