Poudre High School, located at 201 Impala Drive, Fort Collins, Colorado, is one of six public senior high schools in the Poudre School District. The school serves approximately 1,900 students, and has a staff of about 135 faculty. It houses the rigorous International Baccalaureate (IB) program as well as many Advanced Placement (AP) classes. PHS was founded in 1964 with blue and silver as its school colours and the Impala as its mascot. The cornerstone of PHS was laid June 1, 1964 by the Grand Lodge Colorado, A.F. and A.M. The first class graduated from PHS in 1965 when the original building was 142,000 square feet (13,200 m2), had 43 teaching stations and housed 1150 students from Fort Collins, Waverly, Loveland, Greeley, Wellington and LaPorte. After a major addition which opened in the fall of 1995 PHS increased in size to 275,000 square feet (25,500 m2).