The ministry of education is truly the most worthy, the most noble, the most meritorious, the most beneficial, the most useful, the most necessary, the most natural, the most reasonable, the most worthy of thanks, the most pleasing and the most glorious. - Memorial to Cardinal Tonti by St. Joseph Calasanz INTRODUCTION Today, there is a plethora of educational philosophies. Sometimes it is confusing which among these educational philosophies one should choose. However, the dark side of this overabundance is that some significant and founding educational philosophies are left in oblivion. One of these is the educational philosophy of St. Joseph Calasanz. [1] That with too much emphasis on his religious contributions, according to Joseph Domenech i Mira, his educational philosophy was overshadowed by others. This paper aims at highlighting the core educational philosophy of St. Joseph Calasanz. In this relation, the paper is divided into two segments: the history s