The number of Gen Z college freshmen who are entering universities without high school math skills is skyrocketing — as SAT scores are plummeting, a stunning new report has found. Even more shocking — many of the students can’t even do middle-school level math, meaning their skills are fifth grade or below. Experts say this phenomenon, combined with steadily rising high school graduate rates, show that the country is suffering a massive grade inflation problem. The University of California San Diego, for instance, has reported a staggering 30-fold increase in the number of students unable to do basic arithmetic over...