The Polytechnic University of the Philippines is a public, coeducational, research university in the Philippines with main campus in Santa Mesa, Manila. It was founded on 19 October 1904, as the Manila Business School (MBS) and as part of Manila's public school system. It was eventually promoted to a chartered state university in 1978, by virtue of Presidential Decree 1341. PUP has more than 20 campuses across Central Luzon, Southern Luzon and Metro Manila. With over 80,000 enrolled students in all campuses, PUP claims to be the largest state university in the Philippines by student population.