Chateau des Bambini Montessori School
Part of Montessori Learning Technology Co., ltd., Founded 1993
Updated July 2026
CASA ATLAS Montessori School is an international preschool and kindergarten in Tokyo that provides a Montessori-based education for children aged 12 months to 6.5 years. Founded in 1993, the school focuses on nurturing independence and confidence through a prepared, multicultural learning environment.
Curriculum
Teaching approach
The school follows the Montessori principles developed by Dr. Maria Montessori, emphasizing a child-centered approach that fosters independence, curiosity, and a love of learning. Educators act as guides who observe each child to provide an environment that supports individual growth, critical thinking, and social development.
Programmes
The school offers a structured Montessori curriculum organized into four age-based classes: Mini Atlas (12 months–2 years), Sunny Atlas (2–3.5 years), Star Atlas (3.5–5 years), and Sky Atlas (5–6.5 years). The curriculum covers five key areas: Practical Life, Sensorial, Mathematics, Language, and Cultural Studies, which includes geography, history, science, and nature.
Outcomes
Graduates are described as possessing strong academic foundations, self-confidence, and the ability to think independently. The school aims to nurture children who are curious, responsible, and capable of lifelong learning.
Student support
Learning support
Teachers provide individualized guidance based on each child's interests, readiness, and progress. The After School Studies program offers further personalized support, including homework assistance and targeted help in mathematics, Japanese, and English to foster positive study habits.
Frequently asked questions(3)
- What curriculum does Chateau des Bambini Montessori School offer?
- Chateau des Bambini Montessori School offers Montessori.
- How much is tuition at Chateau des Bambini Montessori School?
- Annual tuition at Chateau des Bambini Montessori School is ¥1.1M–¥2.4M. Fees vary by year group — confirm the current schedule with the school.
- Where is Chateau des Bambini Montessori School located?
- Chateau des Bambini Montessori School is an international school in Tokyo, Japan.
Tuition & fees
Annual tuition by grade
| Grade | Ages | Annual |
|---|---|---|
| Mini Atlas Class (Twice a week program) | 1–2 | ¥1.2M |
| Mini Atlas Class (Three times a week program) | 1–2 | ¥1.6M |
| Mini Atlas Class (Five times a week program) | 1–2 | ¥2.4M |
| Sunny Atlas Class (Twice a week program) | 2–3 | ¥1.1M |
| Sunny Atlas Class (Three times a week program) | 2–3 | ¥1.5M |
| Sunny Atlas Class (Five times a week program) | 2–3 | ¥2.4M |
| Star Atlas Class (Five times a week program) | 3–5 | ¥2M |
| Sky Atlas Class (Five times a week program) | 5–6 | ¥2M |
Other fees(5)
| Registration fee· Regular class (One time only) | ¥220K |
|---|---|
| Registration fee· Saturday class (One time only) | ¥16.5K |
| Registration fee· Summer & Winter School (One time only) | ¥16.5K |
| Enrolment fee· Maintenance fee (after the second year) for Regular class | ¥60K |
| Enrolment fee· Maintenance fee for Summer Session & Winter Camp | ¥15K |
Discounts
- Full-payment discount: 5%
Admissions
Families are encouraged to visit the school for a tour to observe classrooms and meet teachers, which can be arranged by appointment on weekdays between 9:30 a.m. and 10:00 a.m. For prospective students aged 3 and older, an observation day may be arranged as part of the enrollment process. At least one parent or guardian is required to be able to communicate in English.
Calendar
The school operates on a four-session annual structure: Spring (March–May), Summer (June–August), Fall (September–November), and Winter (December–February). The calendar includes seasonal programs such as Summer School, as well as regular Saturday classes and periodic safety drills like fire and earthquake exercises.
About the campus
The school is located on the 5th floor of the TTD Building in Mita, Minato-ku, Tokyo. The learning environment consists of intentionally designed, warm, and multicultural classrooms equipped with specialized Montessori materials intended to promote independent exploration and mastery.
Co-curriculars
The school offers various after-school programs designed to support academic development, creativity, and communication skills for both Montessori and elementary school students. These include an After School Studies program providing homework assistance, mathematics, Japanese, and English support, as well as a Saturday Class for children aged 4 to 8 featuring seasonal projects and Montessori activities.
- Maria ValdezPrincipal
Maria Valdez holds degrees in Management and Education, an International Montessori Teaching Diploma (NAMC), and certifications in TEFL/TESOL and Educational Administration and Management. She has served as Principal since at least 2023.
- Kumiko SaitoDeputy Principal / After School Program Coordinator
Kumiko Saito has been with the school since 2018 and oversees the entire school. Her background includes work in the music, publishing, and advertising industries, as well as 19 years of experience nurturing children at a talent and modeling agency.
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