Shermans Dale is an unincorporated community in Carroll Township, Perry County, Pennsylvania, United States, along Sherman's Creek. It was originally settled by Scots-Irish settlers before the American Revolutionary War. Its ZIP code is 17090.The public school that serves Shermans Dale is West Perry School District.Mt. Gilead United Methodist Church is located here. It is also the site of a former Presbyterian church with a pioneer graveyard. Although this church is no longer used for weekly services, it is maintained for use for weddings and funerals.Residents of Shermans Dale may attend the local, public schools operated by West Perry School District which provides full day kindergarten through 12th grade. In 2013, the District's enrollment declined to 2,482 students. In 2016, West Perry School District ranked 331st out of 493 public school districts for academic achievement of its pupils, by the Pittsburgh Business Times. The 2016 graduation rate was just 86%.