Rensselaer Polytechnic Institute (RPI) is a private polytechnic university founded in 1824 and is one of the oldest technological research universities in the United States. The school is located in Troy, NY, near the capital city of Albany. Rensselaer Polytechnic Institute is a leader in the United States in architecture, aerospace sciences, and other fields. It is tied with 、、、、 for 41st place in the 2014 overall U.S. university rankings.