The Grade School Department aspires to develop children into articulate adolescents instilled with Catholic and Augustinian values and equipped with necessary knowledge and skills to pursue secondary education, and, ultimately, to be Christian Augustinian leaders committed to the service of all men.

The academic program instills the zest of lifelong learning and Christian formation. The Augustinian core values of Veritas (Truth), Caritas (Charity), and Unitas (Unity) are integrated and concretized in all curricular and co-curricular offerings, programs, and activities.

Conferred the Level III accreditation status, the highest accreditation status in basic education in the country today according to the Philippine Accrediting Association of Schools, Colleges, and Universities, Colegio San Agustin Makati Grade School Department strives to provide quality elementary education that efficiently and effectively produces academically-competent graduates, who advocate community and church services.