What happens when kids copy their homework from AI?

Their grades can go up while their learning goes down — and the strangest part is that they usually can’t tell.

Published October 23, 2026 · Wisesoft.ai · 4 min read

Copying homework from AI makes the homework look better and the learning worse. In the biggest study so far, students who had an AI give them answers did better on their practice work — and then did worse than everyone else once the test came and the AI was gone. They also believed they had learned more than they had.

That last part is why this is hard to spot from the outside, and why it is worth understanding before you talk to your child about it.

How common is it?

Common, and growing fast. The Pew Research Center, which runs large surveys of American families, has been asking teenagers about this every year:

• In 2023, 13% of teenagers said they had used ChatGPT for schoolwork. A year later it was 26% — double. (Pew, 2025)
• By late 2025, 54% had used an AI chatbot for help with schoolwork, and one in ten said they do all or most of their schoolwork with it. (Pew, 2026)
• 59% said using AI to cheat is a regular thing at their school.

Teenagers draw their own line, too. Most think it is fine to use AI to research a topic (54%). Far fewer think it is fine to have it solve math problems (29%) or write an essay (18%). So most children already sense where the line is. Knowing it and holding it at 10pm on a school night are different things.

The study every parent should know about

In 2025, researchers from the University of Pennsylvania published a study of nearly a thousand high-school students learning math in Turkey. Some practiced with no AI. Some practiced with an AI that simply answered their questions. And some practiced with an AI built to give hints instead of answers.

Here is how each group did, compared with the students who had no AI at all:

Read the first group again. Their practice looked great. Then the AI was taken away and they scored worse than students who never had it. The researchers’ word for what happened was a crutch: the students leaned on it, and the skill never got built. (Bastani and colleagues, PNAS, 2025)

The hint group is the hopeful half. Same AI, same math, a different job — and no harm done.

Why copying feels like learning

The students who leaned on the AI were also more confident about how much they had learned. That is not because they were careless. It is because reading a correct answer feels a lot like understanding it.

You know this feeling. Watch someone solve a puzzle and it looks obvious. Try it yourself and you get stuck at step two. The getting-stuck part is not a sign that something went wrong. It is the learning. Copying skips exactly that part, and nothing tells you it is missing until there is no answer to copy.

A small, early study from MIT points the same way. People who wrote essays with ChatGPT had trouble quoting from the essay they had finished minutes earlier. The words were on their page; they just had not passed through their head. It was only 54 people and has not yet been checked by other scientists, and the researchers are careful to say it does not show AI makes anyone less clever — but it matches what every parent fears. (MIT Media Lab, 2025)

Why kids do it

It is tempting to call it laziness. Usually it isn’t that simple.

• Homework looks like a task, not a lesson. To a tired child the goal is a finished worksheet. The AI delivers one in seconds.
• The answer looks finished. It is neat, confident and well written, so it feels safe to hand in.
• Nobody sees the process. The teacher sees the answer, not how it got there. Neither do you.
• Everyone else seems to be doing it. When most of a class believes AI cheating is normal, holding out can feel like a penalty.

None of those is fixed by banning AI — it is on every phone. What changes them is a child understanding what the homework is for.

What helps

The study already shows the answer: the same AI, asked for hints, did no harm. So the goal is not to take AI away. It is to change what your child asks it for.

• Talk about the test, not the homework. “Your homework will look fine. The question is what happens in the exam, when it’s just you.” That is the study in one sentence, and children find it more convincing than a rule.
• Ask for the next hint, never the answer. “Give me a hint for the first step” keeps the thinking with your child. We have five rules and five ready-made swaps for exactly this.
• Use the explain-it-back test. Ask, “How did you get that?” A child who worked it out can walk you through it, roughly. A child who copied it can’t — and will usually admit it once they notice.

And try not to make it a crime. A child who is scared of being caught learns to hide their AI use. A child who understands the crutch learns to use it as a hint.

Read next

• How should kids use AI for homework?
• AI in school: what the evidence actually says