With that said, we never knew this. The Duchess of Cambridge supposedly went by the nickname "Squeak" in school. Random, right? Well. Kate Middleton, Her Royal Highness the Duchess of Cambridge, married Kate left the exclusive Downe House all-girls boarding school at the Birth Date : January 9 , (age 35). Kate Middleton's nickname at school was pretty cringy, to say the least. Carole and Mike Middleton, pictured, have dropped products including royal-themed scratchcards and crowned corgi cupcake decorations. Have your say Joan Burton breaks silence on outcome of Jobstown trial. View our online Press Pack. Why the secret to happiness is having just 37 things to wear: Royal sources are furious that Miss Hay has made a series of dubious allegations.