Years after Common Core made its debut in many state education systems, the disastrous long-term results of the program are finally being seen. The students’ reading assessment paints a grim picture of educational readiness, with tested fourth and eighth graders failing to best the previous test’s results. This year’s results were only marginally better than those from 1992. The mathematics scores show the most damning results — an upward trend until the year 2015, when the momentum seemed to grind to a halt. Although there were double-digit gains since the ’90s, fourth graders only managed to score a single point...