LONDON -- Even British royals are celebrating back to school.
Princess Charlotte arrived for her first day at St. Thomas Battersea in London on Thursday.
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The 4-year-old was joined by her parents, Kate Middleton and Prince William, along with her big brother Prince George, who also attends St. Thomas.
The princess also has a new name.
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In school, she will go by Charlotte Cambridge, similar to her brother.