One of the oldest preparatory school established in the lower town of Antipolo City specifically located at Barangay Mambugan since 1986. Mambugan I Elementary School became the haven of many young minds who seek for quality, formal education and an effective venue in coping with the demands of the fast changing socio – economic development of our country. It plays a vital role in the development and training of human resources towards the upliftment of the quality of life.  Thus, the school aims to nurture the skills and capabilities of each student to be globally competitive.