An exclusive report in the Sun indicated that Prince William and Princess Kate were spotted at Oundle School recently as rumors about where Prince George will attend secondary school continue to swirl. But a source tells Marie Claire that the Wales family were actually at the Northamptonshire, England boarding school with Princess Charlotte, not Prince George, on Friday, May 1. “It was actually Charlotte that they are looking to enroll here,” says an Oundle resident. “They visited the headmaster’s home next door to me." The source adds that Prince William, Princess Kate and Princess Charlotte were seen touring the school and having lunch at Dryden House, a girl’s boarding house at the school for ages 13 through 18. George’s decision would have been made some time ago, as he’ll be finishing his last year at Lambrook School this July and heading to secondary school in September.…