When standardized tests take up the latest political fad, the credibility of the test suffers, doing a disservice to those who desire a true education.Across America, it’s becoming increasingly common for school districts to advance alternative versions of American history that focus almost exclusively on the nation’s faults rather than its exceptionalism. Even elite preparatory academies like Manhattan’s Brearley and Dalton schools are instituting “critical race theory” curricula that define people by race rather than character. At the same time, schools have forgone the study of great authors like Homer, Horace, Dante Alighieri, and Fyodor Dostoyevsky — luminaries whose ideas...