The St. La Salle building or the main building houses the first to fourth year High School classrooms. The ground floor is where you will find the Grade School and High School Learning Resource Centers (LRCs), the Non-print Office, the Audio-Visual Rooms 1 and 2, the E-classroom, the Cybernook and the photocopying service area.
The following are on the first floor of the main building:
Debbie Decena Auditorium (DDA),Dental Clinic, Main Clinic, Institutional Development and Communications Office (IDCO), Reproduction Office, Information Systems and Technology Services Office (ISTS), Grades 4, 5 and Grade 6 A to D classrooms, St. La Salle Courtyard (satellite canteen) and Office of the Grades 5 and 6 School Counselors.
The following are on the second floor:
Science Laboratories, Faculty Rooms of Grades 4-6 and all High School teachers, Offices of the GS & HS Subject Area Coordinators, Office of the Upper Grades Assistant to the Principal, Office of the Upper Grades Prefect, Grade School SRCC Office, Office of the High School Prefect, Office of the Senior level School Counselor, Grade 6 E to I classrooms, All Freshmen classrooms, Sophomore A and B classrooms and Junior and Senior levels’ Art room
The following are on the third floor:
Computer Laboratories 1, 2 and 3, Sophomore C to I, All Junior and Senior classrooms, Offices of the Freshmen, Sophomore and Junior School Counselors, Office of the HS Assistant to the Principal, HS GEM and Special Filipino classroom
The Br. Ceci Hojilla FSC Center for Lasallian Formation (BroCeci CLF) houses the Our Lady of the Star Chapel, the Adoration Chapel, the Family Life Wellness Institute Office, the Main Conference room and two ante-rooms; and the Parmenie Retreat Facility which has separate male and female dormitories, the Campus Ministry Office and the Social Action Office.
The St. Mutien Marie Administrative Building houses the Finance Offices, Registrar and Admissions Office, and the Instructional and Performance Assessment Office on the ground floor and the President Office, GS and HS Principals’ Offices, the Enrique Zobel Board Room, the Br. Andrew Gonzalez FSC Conference Room, and the Human Resources Management and Development Department on the second floor.
The St. Mutien Marie Building annex houses other administrative offices such as the Information Systems and Technology Services Office, the Institutional Development and Communications Office, the Physical Facilities Office, Campus Development Office, Electro-Mechanical Office and the Administrative Services Department on the second floor.
The Angelo King Center for Performing Arts houses the Sylvia P. Lina Theatre, varied Music and Art rooms, the Dance Hall, and the Cultural Affairs Office (CAO). Adjacent to the rear side of this building are the Purchasing Office (PO) and the Campus Services Office (CSO).
The St. Flavius Hall houses the main canteen. Next to it is the Cadlum Hall where one can find the Alumni Office, the Parents Association Office, the Bookstore, the Independent Teachers’ Union Office, the Staff Union Office, the HS SRCC Office, and the Student Clubs and Activities Office (SCAO). On the second floor of the Cadlum Hall is Gym 2 (Basketball).
Adjacent to the St. Joseph and THELE Building is the old THE Building which houses the electrical, sewing and automotive classrooms on the ground floor and the Taekwondo and table tennis gym on the second floor. Also on the second floor may be found the Br. Rafael Donato FSC Night High School (BrafeNHS) faculty room and School Counselors Office.
Fronting the Cadlum Hall and the St. Joseph’s building is the main gym, otherwise known as the Sports Pavilion which houses the PE and Sports Development Offices, the coaches lounge, the Fitness Center on the ground floor and the half-oval on the upper floor. Adjacent to the main gym is the soccer field.