What kind of school is lancaster mennonite school? Lancaster Mennonite School is a private Christian school with three campuses in Lancaster County, Pennsylvania, United States. The Lancaster Campus, east of the city of Lancaster, Pennsylvania, serves students in grades six through twelve.What is the high school called in lancaster pa? The high school on the Lancaster Campus is known as Lancaster Mennonite High School. The nearby Locust Grove Campus provides pre-kindergarten through eighth grade. To the southwest of Lancaster city, the New Danville Campus offers pre-kindergarten through fifth grade.What is the history of locust grove mennonite school? Lancaster Mennonite School is now composed of three campuses, founded as separate schools. Locust Grove Mennonite School was founded in 1939, and New Danville Mennonite School in 1940, to offer grades one through eight.