The Oscar-winning actress is keen for 18-month-old Louis — who she adopted last January — to be fluent in French, English and German and is set to enroll him at Le Lycee Francais school when he is old enough. “Sandra is desperate for Louis to be multilingual,” a source said. “Sandra wants the best for Louis and she believes this will give him an advantage later in life.” Le Lycee Francais — a French-speaking school — is where Brad Pitt and Angelina Jolie send their children and Sandra thinks it...