Rensselaer Polytechnic Institute
| Former names | Rensselaer School (1824–1834) Rensselaer Institute (1834–1861) | 
|---|---|
| Motto | "Knowledge and Thoroughness" | 
| Type | Private research university | 
| Established | November 5, 1824 | 
| Accreditation | MSCHE | 
| Academic affiliations | |
| Endowment | $864 million (2022) | 
| President | Martin A. Schmidt | 
| Provost | Rebecca W. Doerge | 
| Academic staff | 488 (2019) | 
| Administrative staff | 1,291 (2019) | 
| Students | 8,142 (2019) | 
| Undergraduates | 6,203 (2019) | 
| Postgraduates | 1,366 (2019) | 
| Other students | 573 (2019) | 
| Location | , , United States 42°43′48″N 73°40′39″W / 42.7300°N 73.6775°W | 
| Campus | Small city, 265 acres (107 ha) | 
| Other campuses | |
| Newspaper | The Rensselaer Polytechnic | 
| Colors | Cherry and white | 
| Nickname | Engineers | 
| Sporting affiliations | |
| Mascot | 
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| Website | rpi.edu | 
Rensselaer Polytechnic Institute (/rɛnsəˈlɪər/; RPI) is a private research university in Troy, New York, United States. It is the oldest technological university in the English-speaking world and the Western Hemisphere. It was established in 1824 by Stephen Van Rensselaer and Amos Eaton for the "application of science to the common purposes of life".
Built on a hillside, RPI's 265-acre (107 ha) campus overlooks the city of Troy and the Hudson River. The institute operates an on‑campus business incubator and the 1,250-acre (510 ha) Rensselaer Technology Park.
RPI is organized into six main schools which contain 37 departments, with emphasis on science and technology. It is classified among "R1: Doctoral Universities: Very High Research Activity".