It is the mission of the Zillah High School to foster the following:
1. The development of basic skills which promote self esteem and produce capable, adaptable, contributing citizens of family, community, national and global society, who possess a desire to continue their educational development throughout their lives.
2. The maintenance of an open environment, which encourages frequent, positive interactions and in which every individual is encouraged to participate responsibly in the decisions which affect their lives. This environment will be one in which social responsibility, and academic competence and excellence are emphasized.
3. Provide a safe, supportive environment where every student and staff member can achieve success.