The Langley School 1411 Balls Hill Rd, Mc Lean, VA22101 Longtime McLean residents call this "Little Langley." There are three Langleys in McLean: Langley High School, The…More Langley School and the location of the CIA. "Little Langley" has that nickname because it's smaller than the high school and teaches students from preschool through middle school. The school resembles a college, with a nine-acre campus and separate buildings for its three schools. Langley's core values are respect, kindness, honesty, trustworthiness and citizenship.