Margo Harshman started her schooling from La Costa Heights Elementary School. At the age of twelve, her family moved to Orange County, California where she attended Hewes Middle School and Foothill High School to complete her rest school life. She now lives in Los Angeles.
Margo Harshman was interested in dance, music and acting from her young age. She also participated in Beauty Pageants at the age of 20. She began her acting career from 1997 movie The Elf Who Didn't Believe as Jolie. From the start, she does not need to look back. She got her fame from her role as Tawny Dean in series Even Stevens for which she was also nominated in Young Artist Awards.