Transcript for Boston Mom Claimed Kid Had 'Red Sox Fever'
First this morning, the mom in boston provoking envy and anger. She wrote an excuse note for her son saying he has the misdiagnosed disease called red sox fever. And she took him to a playoff game. The teacher thought the excuse note was hysterical. Not everyone is laughing, however. And abc's tai hernandez has the story. Reporter: Ryan thompson will return to school tomorrow with quite a story to tell. After all, it's not every kid who gets to play hookie with permission from mom. And with this excuse. Red sox fever. I thought it would be funny, you know, and make things lighthearted. Thought, you know, the last. Reporter: She sent this note to her son's teacher. Please allow brian to be dismissed at 11:45 a.M. He has red sox fever and needs to visit fenway for the cure. Reporter: Worth it because he got to see the red sox beat tampa bay at fenway. Kerri has plenty to teach her son. The white sox fan who wears red sox gear every day. They work so hard. That's what I try to teach ryan. Reporter: Some critics are crying foul over kerri's decision. But she explains he missed lunch and chess friday afternoon. And instead, he had a lesson only one team could teach. For "good morning america," tai hernandez, abc news, new york. You're from boston. You say you were a huge fan. Would your mom do that? The odds of my mom doing that, close to zero. I would have to have a real fever. Sticking in boston, a new book.
This transcript has been automatically generated and may not be 100% accurate.