We, the Pupils of CHIJ St.Nicholas Girls' School, Pledge that:
We will strive for excellence, always working hard to achieve all round development and balanced lives.
We will be good daughters at home, loving and respecting our parents and all other members of our families.
We will be good students in school, loving and respecting our principal and teachers.
As fellow students, we will be sisters to one another. We will, as a mission school community, strive to promote truth, justice, freedom and love, always upholding our school motto, Simple in Virtue, Steadfast in Duty.
And we will be dedicated and committed to the security and future of our country, always working towards a nation that is gracious and continually progressing.