To meet the above vision, ASEAN International School is committed to accomplishing the following missions:
1. Provide students with a comfortable, safe and secure enriching learning environment.
2. Improve students' learning outcomes with methodology-based teaching and up-to-date teaching materials.
3. Enable students to clearly understand the differences between personal and social needs.
4. Raise the spirit of responsibility, willingness with virtue, and mutual respect to make good communication.
5. Educate students to be optimistic and conduct with morality and courtesy as a role model for others.

ASEAN International School is an educational institution which provides education in Khmer and English with quality, excellence, and virtue.

- Quality
We are committed to providing high-quality education through effective curricula, teaching methods, and management, ensuring that students gain valuable learning experiences that meet the demands of modern society.
- Excellence
We encourage all students and staff to strive and develop their abilities to the highest level through learning, teaching, and practice that meet high standards, with continuous improvement.
- Virtue
We focus on educating students to have strong morals, good behavior, responsibility, and mutual respect, helping them become good individuals and responsible citizens in society.