On a work trip with Prince William, Kate Middleton ran into her former history teacher in Cornwall.

She broke royal protocol by hugging Jim Embury, who was volunteering at the event.

Kate told her former teacher that she teaches her own children what he taught her.

Jim Embury taught Kate about 25 years ago, and when they met again, he was overjoyed.

Kate, he claims, hasn't changed a bit and remains conscientious, considerate, and exuberant.

Kate and her husband played with the kids and learned about Cornwall's marine history.

She was seen petting a local dog and having a good time playing table tennis with her husband.

Jim Embury had no idea his former student was coming until he was asked to volunteer that morning.

It was an incredible meeting for Jim, and he expressed his admiration for Kate.