UC Math Meltdown Alarms Professors

When a university stops measuring something, the thing it stopped measuring does not disappear — it just resurfaces later, in a worse place, at a higher cost. That is the argument now dividing the University of California, and it deserves more attention than the culture-war framing it usually gets, because the underlying question — how do you actually know a student is ready for college-level math — has no easy answer and enormous consequences.

Key Points

UC Berkeley math professor Zvezdelina Stankova and colleagues say diagnostic exams show a “U-shaped” split among incoming calculus students: mostly proficient or missing basic skills, with a shrinking middle.
More than 1,000 UC faculty signed an open letter urging the Board of Regents to reinstate SAT/ACT math scores for STEM applicants, after UC went fully test-blind in 2020.
An independent UC San Diego faculty report found a five-year decline in incoming students’ math and writing preparation, with roughly one in eight freshmen below middle-school math level.
UC’s own policy documents counter that no single measure defines “college readiness” and that test scores function only as one proxy among several, not a stand-alone gatekeeper.
The Regents face a 2027 deadline to decide whether standardized testing returns to admissions, keeping the dispute unresolved for now.

What the Diagnostic Data Actually Shows

The claim didn’t start as a political talking point; it started as classroom data. Stankova and four Berkeley colleagues examined diagnostic assessments given to incoming Calculus I students between 2021 and 2023 and reported what they called a U-shaped curve — clusters of students who were proficient across the board and clusters proficient in essentially nothing, with far fewer students landing in the solid-but-imperfect middle that calculus instruction has historically assumed. That is a meaningfully different problem than simply “students are worse at math.” A bimodal distribution means instructors can no longer teach to a common baseline; they either lose the underprepared third of the room or slow down enough to lose the well-prepared two-thirds.

Stankova’s public case — laid out in an op-ed and amplified on NPR — was blunt: some Berkeley students, she said, cannot reliably do middle-school-level arithmetic and algebra by the time they reach a flagship university calculus sequence. The New York Post reported that more than 600 professors signed onto language describing preparation gaps “so severe that instructors must re-teach middle school math” inside college courses. Worth noting in the interest of full accuracy: the Daily Californian reported that Stankova acknowledged using AI tools in drafting her op-ed, a detail critics seized on — though it speaks to authorship process, not to the diagnostic data itself, which came from department assessments, not the essay.

How UC Got Here: From Lawsuit Settlement to Permanent Policy

UC’s move away from standardized testing didn’t begin as an ideological experiment; it began as a pandemic accommodation. In May 2020, the Board of Regents suspended the SAT/ACT requirement amid COVID-19 test-center closures, a decision that later hardened into a full test-blind policy — UC’s own Academic Senate task force had actually recommended keeping the tests, and the Regents overruled that recommendation. A subsequent lawsuit and settlement locked the ban in through 2025, and UC then extended it further rather than reverting. That history matters: the policy’s origin was emergency logistics and an unresolved fairness lawsuit, not a settled academic consensus that testing was pedagogically useless.

The Case for Test-Blind Admissions

UC’s own standardized-testing task force and admissions office have long argued that “there is no single definition or measure of college preparation,” and that test scores, at best, serve as one proxy among several — alongside GPA, course rigor, and context — for predicting classroom performance. That is not a dodge; it reflects a real methodological caution long shared by testing researchers, who warn against treating any single number as destiny. Critics of reinstatement go further, arguing test scores track family income and school resources more tightly than they track raw aptitude, and that removing them was meant to correct exactly that distortion, not to lower standards.

This is where the dispute gets its sharpest edge. The counter-evidence assembled against Stankova’s camp is real but largely structural — it defends the philosophy of test-blind admissions in the abstract, arguing tests are imperfect proxies correlated with wealth. It does not directly rebut the diagnostic numbers coming out of Berkeley and San Diego classrooms. Those two arguments are answering different questions: one is about what admissions tests measure in principle; the other is about what instructors are observing on exam papers in practice. Both can be true at once — tests can be imperfect and unequal, and preparation can still be visibly declining.

Independent Confirmation from a Second Campus

The strongest reason to take Stankova’s alarm seriously isn’t that she raised it — it’s that a separate faculty body, at a separate campus, reached a similar conclusion independently. UC San Diego’s Senate-Administration Working Group on Admissions reported a “steep decline” in incoming students’ academic preparation over five years, finding the share of students whose math skills fell below middle-school level had risen sharply between 2020 and 2025, with roughly one in eight incoming freshmen affected. That report wasn’t produced by the Berkeley signatories, wasn’t framed around the SAT debate specifically, and covered writing as well as math — which makes convergence with Berkeley’s calculus data harder to dismiss as coincidence or ideological pattern-matching.

What Remains Genuinely Unsettled

None of this proves standardized testing is the fix. Governor Gavin Newsom, pressed on the issue, declined to commit either way, arguing the state needs harder data before reinstating tests and pointing to broader curriculum gaps — the pandemic’s disruption of coursework across California high schools — as a confounding variable that predates and outlasts any admissions policy. That is a fair caution: correlation between a policy change and a preparation decline is not proof of causation, especially when COVID-era learning loss, AI-assisted schoolwork, and grade inflation are all moving at once. The Regents have set a 2027 deadline to resolve the testing question formally, which means the honest answer, for now, is that UC has better evidence of a problem than of its cause — and better evidence of a symptom than of the right prescription.

Also meanwhile UC faculty (especially in STEM fields) signed open letters urging reinstatement of SAT exams. They cited sharp declines in incoming students’ math preparedness—including reports of large increases in students testing at middle-school or below-high-school levels

— themarketsopen (@themarketsopen) August 20, 2026

Why This Matters Beyond California

UC is the largest and most closely watched test-blind system in the country, which makes it the de facto national experiment on whether admissions can be run entirely without standardized measures. If its own faculty — including STEM professors who have no stake in the culture war and every stake in whether their students can pass calculus — are independently documenting a widening preparation gap, that is a data point every other university considering test-optional or test-blind policy should weigh, whatever conclusion it eventually reaches.