Prince William and Princess Kate won’t be announcing Prince George ’s secondary school choice just yet, but the end of his final year at Lambrook School is in close sight. George, who will turn 13 this summer, will wrap up his education at the Berkshire, England prep school on July 4. From there, it’s anyone’s guess where the future King will head in September, but according to a new report in the Sun , another contender could be in the mix. It’s been widely assumed that George will follow in his father’s footsteps and attend Eton College , just a stone’s throw from Windsor Castle . But the family was spotted visiting Princess Kate’s alma mater, Marlborough College , and Wellington College has also been thrown out as a possibility for the prince. Multiple royal commentators have also speculated whether Oundle School in Northamptonshire might be an option, and per the Sun , the Wales family have paid the boarding school a visit. “William and Kate’s visit was terribly exciting," a source told the outlet.…