UNAM, Mexico's largest university with 373,000 students, rolled out its first fully remote entrance exam this summer. Nearly 160,000 applicants took it from home. Facial recognition, lockdown browser, AI-powered webcam monitoring through a company called Territorium Life. The whole apparatus designed to catch cheaters and keep the process clean.
Something broke catastrophically. In the Medicine program, one of Latin America's toughest undergraduate tracks where admission normally sits around 1.5%, suddenly 29.3% of students scored 100 or above out of 120 points. The year before that figure was 9%. The university axed 58,000 exams and summoned those applicants back for new tests. A panel of 16 experts is now investigating how the AI system, built precisely to prevent this, allowed it to happen at scale.
The numbers that don't make sense
UNAM's Concurso de Selección is legendary for being brutal. Getting in to Medicine or Law means beating thousands of equally sharp applicants. The university switched to remote testing in late May to boost accessibility, trim costs, and modernize. Exams ran through early June, results landed in July.
The Medicine scores hit first. But the damage spread wider. Anomalies appeared across multiple programs. The university initially flagged about 2% of tests as suspect, then realized the problem went much deeper. AI-powered systems that were supposed to lock down security instead opened doors. The investigation is still ongoing, but the university has frozen new enrollments pending the results.
Why AI proctoring failed here
The irony cuts deep. Facial recognition confirms you're actually you. Lockdown browsers stop you jumping to Google. Webcam feeds watch for suspicious movement. This infrastructure was supposed to be bulletproof. Instead, test-takers found ways around it, or the AI itself failed to detect violations that were happening in plain sight. Whether it's a technical flaw, a vulnerability someone exploited, or both remains unclear.
UNAM's mess reveals something institutional testing has been learning the hard way: AI surveillance can look airtight on the spec sheet and still leak like a sieve in practice. The university now faces the choice between rebuilding trust in digital exams or walking the entire process back in-person. Either way, 58,000 students are retaking tests, and the Medicine program's credibility just took a hit.
The peso weakened slightly on the news. Education stocks showed no meaningful reaction.
This article is informational only and does not constitute investment or educational policy advice.
