The mission of the Shasta Union High School District is to provide courses of study that challenge all students and encourage them to reach their social, physical and academic potential. Instruction will prepare students for a global society by focusing on career goals and incorporating appropriate technologies. The District will provide a safe environment that stresses tolerance towards diverse cultures, beliefs and lifestyles.Character education and civic responsibility will also be an important part of the curriculum.

The vision of the Shasta Union High School District is to provide a safe environment for students to master, within their individual abilities these minimum competencies:
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- Read with understanding and appreciation
- Write in a way that clearly communicates their thoughts.
- Compute and solve mathematical problems.
- Understand the biological and phsyical worlds.
- Interpret historical events and understand political processes.
- Understand and appreciate the fine and practical arts.
- Participate in physical development, health and wellness activiteis.
- Utilize current technology to function as compter literate citizens in the global community.