Greenvale, TennesseeGreenvale is an unincorporated community in Wilson County, in the U.S. state of Tennessee.HistoryGreenvale was platted in 1871. A post office called Greenvale was established in 1870, and remained in operation until 1905.EducationGreenvale is served by Wilson County Schools. Its zoned schools are Watertown Elementary School, Watertown Middle School, and Watertown High School.