The headline sounds outrageous. But the details may be worse. This was not a statewide claim that every 4.0 student in California is failing math. It came from UC San Diego. In one Fall 2024 remedial math cohort of 529 students, 42% had already passed precalculus or calculus in high school. A quarter had earned a 4.0 GPA in their high school math classes. And still, they landed in Math 2—a course meant to address gaps that can reach back to middle school. Then comes the jaw-dropper: Among remedial students taking placement tests, 25% could not correctly solve: 7 + 2 = ___ + 6 That is not advanced math. That is not algebra. That is basic number sense. And the trend appears to be moving the wrong way. At UCSD, the share of incoming students needing remedial math reportedly rose from 0.5% in 2020 to 11.8% in 2025. Meanwhile, high school GPAs across the UC system have been rising. That disconnect is the real story. For these UCSD students, high school math grades had a surprisingly weak relationship with placement-test performance. So the uncomfortable question is simple: What is a 4.0 actually telling colleges? Grades are supposed to signal mastery. If students can ace high school math, pass precalc or calculus, and still need help with middle-school-level skills, the grading system is sending a very broken signal.