Professor’s Chart Exposes How Common AI Cheating Is In College Exams (What Parents Need To Know)
Last month, my sister Liza dragged her rolling laptop bag into my kitchen after a full week of grading midterms, and dropped her oat milk latte on the table hard enough to slosh over the rim. She wiped it up with a paper towel, pulled up a bar graph on her screen, and tapped the y-axis with a chipped navy nail: 42% of her 182 introductory computer science students used AI to answer at least one full essay question on their recent open-book exam. Crumbs from the blueberry muffin I’d baked that morning scattered when I leaned in to look. Sam, my oldest son, is starting at that same state university in the fall, and I’d signed off on his first tuition bill just that morning.
“Forty-two percent?” I said. “Almost half? That’s crazy. What happened to just studying?”
Liza snorted, wiping another crumb off her laptop, which is plastered with a faded “I <3 Debugging” sticker. “It’s not that simple. I ran every submission through two detection tools, then spot-checked every flag by asking the student to walk me through their answer in office hours. This number isn’t inflated. It’s just what’s actually happening. Half the kids I talked to didn’t even call this cheating. They said ‘it’s open book, why can’t I use any tool that helps me?’ A first-year told me her high school English teacher let her use AI to edit all her papers, so she thought it was fine here.”
She scrolled to the second chart, broken out by year in school. First-years top the list at 58%, then the number drops steadily: 41% for sophomores, 32% for juniors, 28% for seniors. “The problem isn’t that kids these days are less honest than we were,” she said. “It’s that no one gave them clear lines before they got here. Most high schools don’t talk about AI rules at all, or they ban it entirely but don’t explain why that line matters once you get to college. Parents don’t talk about it either, because most of us are just as confused as they are.”
I thought about the parent coffee I went to a week earlier, where half the room was complaining about AI, but no one had any actual idea what to do about it. We all just shook our heads and said “kids these days” and moved on to talking about football season. My own nephew, Liza’s 20-year-old son, told me over Christmas break that he uses AI to outline his history papers, and almost everyone he knows does it. “It’s no different than using SparkNotes when we were in college,” he said. I didn’t know what to say back then.
A couple weeks after that coffee with Liza, I caught Sam using ChatGPT to draft his personal statement for his summer pre-college program. I leaned against his doorframe, and he didn’t even try to close the tab. “It’s just a starting point,” he said. “I’m gonna rewrite it, I just don’t know how to start.”
I didn’t yell, which is what I would have done a year earlier, before I saw Liza’s chart. Instead, I pulled up a chair next to him, and I asked him three questions: What’s the rule for this assignment? Does it say you can use AI here? What’s the point of this assignment, anyway?
He thought for a minute, and admitted the assignment page just said “original personal statement” with no mention of AI. And the point was for the program directors to get to know him, so if AI wrote most of it, it wouldn’t do that. He closed the tab, and we brainstormed the first sentence together, no AI required. That conversation took 10 minutes, and it was way more useful than any lecture I could have given about cheating.
That’s the practical takeaway Liza shared with me that parents can actually do, that doesn’t take a lot of extra time. First, when your kid shares their syllabi at the start of the semester, spend 10 minutes asking them to point out the AI policy. Most kids just skip over that fine print, so asking them to read it out loud and explain what it means makes them pay attention. Second, walk through three concrete scenarios with them before their first semester: Is it okay to use AI to write a full answer when you’re stuck? Is it okay to use it for brainstorming or grammar checks? Is it okay to use it if the professor doesn’t mention it? The conversation doesn’t have to end with a perfect answer, but it gets them thinking about the line instead of just going with what their friends do.
For teachers, Liza’s chart also changed how she writes her exams. She used to do full take-home midterms, open book, no clear rules. Now she splits every exam: 50% in-class, short answer where you have to work through the problem on paper, and 50% take-home where the prompt requires you to connect the material to your own experience. AI can write a generic essay on ethical coding, but it can’t write about the time you messed up a coding project for your part-time web design job and what you learned. That cut her AI use numbers in half, just like that.
The thing that stuck with me most from Liza’s chart isn’t that 42% of kids cheat. It’s that 60% of the kids who used AI only used it on one question out of five. Most of them aren’t trying to scam their way through a degree. They’re stressed, they’re working 20 hours a week to pay rent, they need a B to keep their scholarship, and they got stuck at 10pm the night the exam is due. It’s easy to judge from the outside, but when you’re that kid, it feels like a small shortcut, not a big moral failure.
Sam moves into his dorm in eight weeks. I don’t know if he’ll ever be stuck that late, staring at a blank screen, tempted to use AI to finish an exam. I don’t know if all our conversations will be enough. But Liza’s chart didn’t just scare me, it made me stop treating this like a problem that the colleges have to fix alone, or that the kids have to figure out on their own. It’s a new tool, and no one grows up knowing where the line is unless someone shows them. Right now, that looks like 10 minute conversations about syllabi, talking through what’s okay and what’s not, before the pressure hits. That’s not a perfect fix, and there’s still a lot that’s unclear about how this will all shake out. But it’s a start.
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