The Integrated School Main Office ( ISMO )is the Central Office of the Integrated School, imbued with the authority to promote a humane and Christian education to the young, especially the poor, and resources to create a learning environment where both students and personnel are able to develop  their full potential.

The ISMO  strives to strengthen the necessary support mechanism for the faculty, staff, students and other stakeholders of the school in order to serve and sustain the programs intended to promote the holistic development of its personnel and the children entrusted to its care.

            It serves as the primary link of the IS community to the internal community and the external community as well.  Its operations  include  services such as registration and admission, attends to inquiries,  , printing of internal and external communications, reproduction of examination papers and  the different forms used by the various units,  and makes travel arrangements for the faculty and staff.   Other important  functions of the office  are the preparation of documents such as contracts of teachers , collation of the Integrated School budget, appropriation for the faculty development such as graduate school and attendance in seminars.

For Inquiries 

IS Main Office

433 – 9006 
434- 6100 local 143 

Cristy V. Tan
Senior Administrative Assistant


Upper Grades / JHS Level 

432 – 0541 
434- 6100 local 147

Jo- Ann Davila
Senior Office Associate


Lower Grades / Elem Level 

433 – 5143 
434- 6100 local 144

Ediesie Española
Senior Office Associate


Vice Principal For Academics

432- 3769 
434- 6100 local 158

Eli John Besana 
Senior Office Associate