A distressing number of California students have completed 12 years in classrooms but can't read on a tenth-grade level or do eighth-grade math. So they can't pass the state's high-school exit exam within six tries in three years. Should they graduate anyway? The correct answer is no, they shouldn't. Graduating kids who can't meet even minimum standards does them no favors – or their prospective colleges or employers. And it diminishes the meaning and reputation of high-school diplomas for all students, including the majority capable of passing the exit exam. According to the Los Angeles Times, 83 percent of the...