Key Takeaways Princeton University will begin proctoring all in-person exams starting this summer, ending a 133-year tradition of unproctored testing under its honor code. Cheating has become easier than ever, using tools like AI. Recent survey data shows a disconnect between the honor code and behavior: about 30% of Princeton seniors admit to cheating. For more than 100 years, Princeton University treated its honor code as sacred, to the point that outside monitoring during exams was essentially off-limits and a signed pledge was supposed to be protection enough.  Those norms are now changing, as administrators move to rewrite the rules in response to a wave of AI-enabled cheating .  Earlier this week, Princeton faculty approved a plan to bring proctors to every in-person exam starting this summer, rolling back a no-proctor policy that had been in place since Princeton adopted its honor code in 1893.…