Alta Loma Christian School Arrowhead Christian Academy Upper School Bethel Christian Schools California Baptist University Calvary Murrieta Christian School - Elementary Calvary Murrieta Christian School - Secondary Grace Lutheran School - Lancaster, CA Gravitas Online Prep School: A Global Extension of The Stony Brook School Guidepost Academy Virtual School Guidepost Montessori Virtual School Harvest Christian School Heights Christian School - Chino Hills Idyllwild Arts Academy and Summer Program Immanuel Lutheran Church And School Kiddie Academy of Murrieta La Petite Academy of Riverside La Sierra Academy Loma Linda Academy Loving Savior Lutheran School and Preschool Mesa Grande Academy Ontario Christian School Our Lady of Perpetual Help School and Preschool - Riverside, CA Palm Valley School Redlands Adventist Academy Redlands Christian Lower School Redlands Christian Middle School Riverside Montessori Academy - Indiana Riverside Montessori Academy - Pachappa St Francis De Sales Catholic St. Jeanne de Lestonnac Catholic School United Christian Academy - Rancho Cucamonga Valley Preparatory School West Coast Centre for Learning Woodcrest Christian School
