The insider shared Charles "thinks George should go to boarding school like he, his siblings and his sons did," referring to the elite Scottish boarding school Gordonstoun. Charles, his late father, Prince Philip, and his brothers, Prince Andrew, 63, and Prince Edward, 59, all attended the prestigious school, while Prince William, 40, and Prince Harry, 38, went to similar schools, Ludgrove and Eton College.
Currently, the 9-year-old and his siblings are enrolled at Lambrook, a coeducational prep school in Windsor, located 10 minutes from the family's home.
The Duchess of Cambridge "feels George is perfectly fine where he is with his siblings," the source explained. "She wants her children to have as normal a childhood as possible."
"She knows full well that in a few short years, George's life is going to drastically change" and "thinks he should be out having fun, not living away from his family or saddled with duties that ruin his weekends. Kate believes it's too much responsibility and pressure for a 9-year-old."
Prince William previously agreed on his wife about her stance on their son's education.
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The source noted that the father-of-three "is happy for Kate to take the lead" mostly "because he doesn't like fighting with his father."
"William and Kate both know that when he reaches his teens, they'll have less of a leg to stand on, so for the next three years, they're going to protect him as much as they can," the insider continued. They also gushed that Kate is as loyal as they come, "but her children's happiness comes first. Duty comes second."
Life & Style reported on the source's comments.