Polytechnic University of the Philippines (PUP; Filipino: Politeknikong Unibersidad ng Pilipinas) is a research and coeducational state university in the Philippines. It was founded on October 19, 1904 as the Manila Business School (MBS) and as part of Manila's public school system. It was eventually promoted to chartered state university in 1978, by virtue of Presidential Decree 1341. PUP has more than 20 campuses and extensions across Central Luzon, Southern Luzon and Metro Manila. With over 70,000 enrolled students, PUP claims to be the largest state university in the Philippines by student population.