The premier private Montessori school in Diamond Bar
A nurturing Montessori environment where children from 6 weeks through Kindergarten explore, learn at their own pace and grow into independent, confident learners.
- Licensed · DSS #198019047 / #198019053
- Infant through Kindergarten
- All government funding accepted
- Serving Diamond Bar, Pomona, San Dimas, Chino Hills & more
Programs that grow with your child
Six age-based Montessori curriculums from 6 weeks to 6 years — plus Enrichment and our S.T.E.A.M. program.
Infant
Gentle, responsive care with sensory exploration, early language and first movements in a calm, nurturing room.
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Toddler
Words, movement and first independence through practical life, music and hands-on play.
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Pre-Primary
Montessori materials build focus, coordination, early language and number sense.
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Primary
Foundations in reading, math, science and culture in a beautifully prepared environment.
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Advanced Primary
Phonics, operations and deeper exploration that challenge and inspire before kindergarten.
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TK / Kindergarten
Montessori meets Common Core for a confident, joyful start to school.
Explore the curriculum →Montessori at heart, ready for tomorrow
We combine Montessori education with Common Core and S.T.E.A.M. Our nurturing environment empowers children to explore, learn at their own pace and reach their full potential for independence and personal growth.
We accept all government funding programs
We believe every child deserves a high-quality Montessori education. Because cost can be a concern for families, Diamond Bar Montessori accepts a wide range of subsidized child-care programs. Contact us and we'll help you understand your options and how to apply.
Ask About Free Admission“My 3 y/o boy has been attending Diamond Bar Montessori for almost a year now, definitely 5 stars. The facility is nice, clean and organized. All of the teachers are super friendly, sweet, and caring to the kids.”Jackson W. · Diamond Bar Montessori parent
A peek inside our school
Enrichment at no extra charge
Fine arts and fitness build a healthier, stronger mind and body.
Music
Uplifting and calming, our weekly music class teaches rhythm, melody and harmony while building listening, memory and vocabulary.
Hip Hop
A fun, high-energy class with upbeat music that introduces basic and advanced moves — inspiring creativity and free expression.
Ballet
Ballet technique and exercises that build balance, strength, coordination, posture and poise — and practice following directions.
Fitness & Yoga
Every day begins with yoga or fitness, teaching calming techniques, focus, flexibility and self-confidence.
Frequently asked questions
Still have questions? Call (909) 396-8747 — we're happy to help.
What ages does Diamond Bar Montessori Academy accept?
Diamond Bar Montessori enrolls children from 6 weeks to 6 years old: Infant (6 weeks–12 months), Toddler (12–24 months), Pre-Primary (2–3 years), Primary (3–4 years), Advanced Primary (4–5 years), TK / Kindergarten (5–6 years).
Does Diamond Bar Montessori accept subsidized child-care funding?
Yes. Diamond Bar Montessori accepts government funding programs including PUSD, Options for Learning and LA Pathways. Call (909) 396-8747 and we'll help you apply.
Are the first four weeks really free?
Yes — new families pay no tuition for the first four weeks after enrolling, so your child can experience Montessori with no risk.
Where is Diamond Bar Montessori Academy and which cities do families come from?
We're at 23555 Palomino Dr, Diamond Bar, CA 91765. Families come from Diamond Bar, Pomona, San Dimas, Chino Hills and Chino and all neighboring cities.
What makes Diamond Bar Montessori different from other preschools in Diamond Bar?
Diamond Bar Montessori combines authentic Montessori education with Common Core standards and a S.T.E.A.M. program, plus weekly enrichment — music, hip hop, ballet, fitness & yoga, soccer, art, Chinese, Spanish, computers — included at no extra charge.
Is Diamond Bar Montessori licensed?
Yes. Diamond Bar Montessori Academy is licensed by the California Department of Social Services: Day Care license #198019047 and Infant Care license #198019053.
How do I schedule a tour?
Call (909) 396-8747, email info@diamondbarmontessoriacademy.com or use the tour form on our Contact page. Tours are held on weekdays so you can see the Montessori work cycle in action, and children are welcome.
Do you offer a tuition discount for paying ahead?
Yes. Pay for 12 weeks and get the 13th week free, or pay for 48 weeks and get 52 weeks — as long as there are no late payments or money owed.
What are your hours?
We're open Monday to Friday, 6:30 AM to 6:30 PM.
See Diamond Bar Montessori in person
Book a weekday tour — or start with four weeks free.