The Huffington Post reports that truth — or the passionate pursuit of truth — should always be a guiding principle in the educating of our children. So we ought never delude ourselves about whether we are effectively teaching our students. Without some means of measurement, a belief in our effectiveness can too easily be manufactured. Those of us concerned with teaching our students to think and helping them develop the skills and appreciation for pursuing truth would therefore be hypocrites to disdain data as a valid tool. But many of us have come to be wary of the manner in which a certain kind of mass-produced data gets presented — worshipped even — as truth…