 During the five-year term (1991–1996) of Fr.Renato Puentevella, S.J, as Director - Principal, SMCS went through the Philippine Accrediting Association of Schools, Colleges, and Universities (PAASCU) Preliminary Survey and Formal Survey.The Grade School Department was granted a three-year PAASCU accreditation in 1995 and the High School Department followed suit the following year.