Prospect Valley Celebrates 52 years! Built 1967 Did you know the original Prospect Valley School opened in 1898 not too far from where the current school stands today? Prospect Valley Elementary was not always located off of 32nd and Pierson. More than 100 years ago, Prospect Valley was a white, wooden, one room school house. Travel back in time to the original Prospect Valley Elementary School, built in 1898. Over the years, Prospect Valley has had several different locations and buildings. Prospect Valley Elementary, celebrating more than 100 years of academic excellence. We love it!