K-5): Mountain Vista Elementary. MIDDLE/JUNIOR HIGH SCHOOLS (grades 6-8): Cahuilla Desert Academy. HIGH SCHOOLS (grades 9-12): Coachella Valley High and Desert Mirage High, both in Thermal . Private schools Grace Academy (K-8), Indio Christian Center (1-12), River Springs Charter School (K-12), Our Lady of Perpetual Help (PK-8), Trinity Lutheran Child Development