We are an intimate, low-density micro-school in Rancho Cucamonga officially verified by the American Montessori Society (AMS). We offer a calm, intentional sanctuary designed to feel like a nurturing extension of home for children ages 2.5 to 6. Stepping into our prepared environment, children are guided through authentic Montessori methodology that honors their natural psychological growth. Before academic learning, we build a foundation of self-reliance, emotional regulation, grace, and courtesy. Through uninterrupted work cycles, children engage in hands-on Practical Life, Sensorial, Language, Mathematics, and Cultural Studies (Science, Geography, Art, and Music)—learning deeply at their own natural pace without worksheets, forced drills, or high-pressure testing. Our sanctuary prioritizes quiet concentration, low guide-to-child ratios, and low-toxin, natural materials so children feel safe, deeply seen, and peaceful. Drawing from a strong background in Biological Science, we thoughtfully integrate daily Physical Education, hands-on STEM exploration, and multilingual language exposure (English, Spanish and Vietnamese) into a holistic, all-inclusive daily rhythm. We balance academic learning with joyful discoveries. We partner closely with conscious families who value unhurried childhood, intrinsic motivation, and a screen-free, intentional lifestyle.

Website: rainbowmontessoripreschool.com

Phone: (909) 477-7091

Cross Streets: Between Ramona Ave and Archibald Ave