Professor's chart exposes the scale of AI cheating in college exams

'We Cannot Choose to Become Idiots': Brown Professor Exposes AI Cheating After In-Person Exam Scores Plunged 50%

Brown University economics professor Roberto Serrano says he has uncovered what he believes is evidence of mass AI-assisted cheating in his own classroom, after moving his final exam from a take-home format into a supervised, in-person sitting. The average score across his 86-student course collapsed from 96 out of 100 on the take-home midterm to just 48 once students sat comparable material in a monitored room. The Numbers Behind the Drop Serra…

Blind professor catches massive AI cheating scandal at Brown University, says it should be a wake-up call after scores drop from 100 to 48

US News: Brown University professor Roberto Serrano allowed the students to take their midterm exam at home, as the shock of the December 13 shooting at the un.

This chart should be a 'wake-up call' about AI cheating, Brown University professor says

Brown University professor Roberto Serrano told Business Insider that the "cost of cheating has basically gone down to zero."Roberto SerranoBrown University professor Roberto Serrano saw scores drop between a take-home midterm and an in-person final.He suspects the students cheated with AI. "It's certainly a wake-up call to the professors," he told Business Insider.Serrano shared the exam scores. Some dropped from perfect scores on the midterm t…

Professor's chart exposes the scale of AI cheating in college exams

When Brown University economics professor Robert Serrano suspected that most of his students had used AI to cheat on a take-home midterm exam, he decided to compare their scores with those from an in-person final. The result was perhaps one of the clearest examples of generative AI's effect on academia.Read Entire Article

No! You’re saying students cheat?

You don’t say. This is a story about a professor who discovered his students will use AI to cheat. Serrano decided that his spring 2026 section of the quite difficult ECON 1170 would allow take-home exams for both the midterm and the final. Suddenly, the course received an influx of students. El País has the story: The course… typically attracts few students, but very good ones. [Serrano] has never had more than 30 students enrolled at a time, a…

Professor suspected AI-powered cheating on take-home midterms, makes finals in-person — only two students scored within 10% of their midterm score

Brown University professor Roberto Serrano suspected that his students were cheating when he gave them a take-home midterm exam, so he decided to make the final exam in-person. According to Inside Higher Ed, out of the 86 students enrolled in his class, 18 dropped from the class after he made the announcement, and nine skipped the final exam. Out of the 59 remaining students, three scored zero, and only two students received a grade that’s withi…