Mandy is a classmate of Sheldon's at Medford High School. She's a sweet and friendly girl who is often seen with her friends, and she's had a few interactions with Sheldon throughout the series.
Here's a brief report on Mandy:
As for her age, Raegan Revord was born on December 20, 2002. However, I couldn't find a specific age for the character Mandy McAllister. But according to the show's storyline and Raegan Revord's age, we can assume that Mandy is around 10-11 years old in the early seasons and around 16-17 years old in the later seasons. how old is mandy from young sheldon
The actress who plays Mandy, Raegan Revord, was born on December 9, 2002. Based on her birthdate, we can calculate her age. Mandy is a classmate of Sheldon's at Medford High School
Here’s a short, useful story that answers the question while illustrating why TV character ages can be confusing. However, I couldn't find a specific age for
Leo bursts into the kitchen during a commercial break. “Mom, quick! How old is Mandy from Young Sheldon ? Me and my friend Alex are arguing. He says she’s in her late twenties. I say early thirties.”