Hilton Head Island High School and The Island Packet will host the World's Largest Yard Sale on March 31. The sale, from 9 a.m. to 1 p.m. in the school's parking lot, is free and open to the public. Booth space is $55. Applications can be found at www.islandpacket.com/yardsale. Proceeds benefit Hilton Head Island High School. Details: Call the school at 843-689-4811.