Challenger School has been inspiring children to achieve since 1963. Challenger School Almaden is a San Jose private school with unmatched academic results. Our students scored in the top 10% nationally on the 2024 Iowa Assessment. Start early and start right. Explore our preschool curriculum. We offer preschool year-round from as early as 7 a.m. to 6 p.m. Our preschool programs are a surprisingly affordable alternative to daycare and can fit with your schedule. Children 2 years and 9 months or older are eligible for our preschool programs. Our Almaden campus offers elementary school for kindergarten through eighth grade. Schedule a tour today to discover the Challenger difference. Conveniently located in San Jose, CA.