The De La Salle Santiago Zobel School, Inc. (DLSZ), a member of the De La Salle Philippines (DLSP) network of seventeen (17) De La Salle Schools. It is registered with the Securities and Exchange Commission (SEC) as a non-stock, non-profit educational institution on October 7, 1976. The elementary department of De La Salle University-Manila was moved to DLSZ where the site is more conducive to learning and later the high school department was added. The DLSZ is not only in response to the government’s program of educational dispersion but it is also the commitment of the Brothers of the Christian Schools in the Philippines to make their resources and facilities available to as many as communities where there is a growing need for more educational institutions with high scholastic standards. Its campus is located at University Avenue, Ayala Alabang Village, Muntinlupa City. It has a regular staff of 352, probationary faculty member of 104 (regularization of teachers is after 3 years of service), part -time staff of 81, and 10 members of the Board of Trustees.
The main purpose of every Christian school according to St. John Baptist de La Salle is to rear children in accordance with the teachings of Christ as found in the gospel. Thus, De La Salle Zobel, as an academic community, fosters not only academic excellence but also spiritual and moral maturity of the individual. The traditional Lasallian values of faith (religio), zeal of service (mores) and communion in mission (cultura) guide the student of de La Salle Zobel in their daily interaction in and outside the school.
PAASCU granted DLSZ Level III accreditation for Grade School and High School. They have a total of 4,086 day school student population from K1-12. For the Br. Rafael Donato FSC Night School (BRafeNHS), it has a total of 825 students from Grade 7 to Grade 12 including the open high school.
It was first certified for 5 years on July 9, 2002 and which ended on July 8, 2007. For its first renewal, it was certified for 5 years on October 4, 2007 and which will end on October 3, 2012. Second renewal was again for 5 years on December 10, 2012 which ended on December 3, 2017
