Before 158,000 applicants took the first online entrance exam for the National Autonomous University of Mexico (UNAM), TikTok was already a veritable instruction manual for cheating.
360-degree cameras, black headphones hidden under hair, ChatGPT running on a second monitor out of frame: these methods were circulating openly, with step-by-step tutorials, weeks before the test began.
The results from July 17 revealed something the numbers couldn’t hide: in the Medical Surgeon program, nine applicants achieved a perfect score in a single cycle. In 2021, none had scored above 70 correct answers.
Luis Ángel Maciel, a doctoral student in Experimental Biology, posted the statistical analysis on TikTok that sparked the controversy. In 2025, only 9% of medical school applicants achieved more than 100 correct answers. In 2026, that figure reached 30%.
