CPSCS Alumni Association is an association of former students of Cantonment Public School & College, Saidpur. This is a platform that makes a bridge between the present and the past students of CPSCS. The purpose of the Alumni Association is to promote the welfare of CPSCS and to establish a mutually beneficial relationship between CPSCS and its alumni. Cantonment Public School & College, Saidpur was inaugurated by the then Chief of Army Major General H.M. Ershad in 4th April 1979. The institution started its journey by having only five teachers and 176 students. The foundation stone of the institution was established newly on its own place by the President Major General Ziaur Rahman in 1st October 1980. The college section was formed in 1984. English Version (School) was formed in 1998 and English Version (College) started its journey in 2017. The institution has 128 teachers and almost 4,200 students at present. On the way its 39th year, the institution was selected consecutively “The Best College” twice among all the institutions run by Army Authority and achieved “Chief of army Trophy” for its outstanding academic results.