The Universidad Nacional Autónoma de México (UNAM) officially opened the 'Tu Segunda Opción' process to reassign vacant spots from the initial admission cycle. ^[1] The Universidad Nacional Autónoma de México (UNAM) officially began its 2026-2027 school year, welcoming more than 85,000 first-year students in its high school and undergraduate levels. ^[2] The General Directorate of Orientation and Educational Attention (DGOAE) will select candidates based strictly on the number of correct answers from the original control exam. ^[3] The registration deadline for the 'Tu Segunda Opción' process is set for Friday, September 4, at 12:00 hours. ^[4] The university has made 2,240 spots available across 66 undergraduate programs for students who did not qualify in the first round. ^[5] The 'Tu Segunda Opción' seats are strictly reserved for the 16,543 candidates who took the extraordinary in-person admission exam but did not receive a place in their first-choice program. ^[6] UNAM reported that its first virtual entrance exam had atypical results and unauthorized use of artificial intelligence and external aid, leading it to organize an extraordinary in-person test and to revoke the contract of the platform provider, Territorium. ^[7] UNAM terminated its contract with Territorium Life, the firm that supplied the virtual exam platform, and ordered three deep audits of the admissions process. ^[8]