Mission Mission The mission of Yosemite Valley Charter School and Monarch River Academy is to increase student academic success in an independent study program through mastery of California standards by building strong partnerships between parents, teachers, and the community that focus on the development of a personalized, rigorous educational plan and integrated measurements of student achievement. Vision Vision Yosemite Valley Charter School and Monarchar River Academy will foster wholistic education through rigorous academics; social-emotional growth; and collaborative community so our students become innovative, analytical, and responsible leaders.