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American International Montessori School

United States, San Francisco

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Wellbeing and Support

How students are nurtured, understood, and kept safe

Social and Emotional Learning (SEL)

Montessori places a major emphasis on intra-personal and inter-personal skills through grace and courtesy. In preschool, children can work independently when they choose, while the elementary program centers on regular work in pairs and small groups to foster collaboration. Students learn to greet others with a handshake and eye contact, express their feelings with words, respect personal needs and workspaces, and work together to maintain the class community. They follow directions and participate in group activities, building social competence across ages. Social and executive skills are integrated throughout both Infant Community and Elementary programs to support personal responsibility and positive interactions.

English as an Additional Language (EAL)

The Language Program uses dual Mandarin Chinese/Japanese immersion from the Infant Community. In Infant Community, two teachers per classroom typically include one Mandarin-speaking teacher and one Japanese-speaking teacher. For Preschool/Children's House, Mandarin Chinese or Japanese immersion classrooms are available, with native-speaking teachers. In Lower Elementary, Mandarin Chinese or Japanese immersion tracks continue, with teachers speaking Mandarin, Japanese, and English to support multilingual development. About half of AIM students arrive not speaking Japanese or Chinese and become conversational in a second language after about three years.

Mental Wellbeing

Mental wellbeing is supported through social and executive skills development. The elementary program builds in autonomy, responsibility, and collaboration through weekly work plans and group activities, fostering persistence, time management, and sustained attention. The preschool program emphasizes social skills like empathy, respect, and positive interaction, while the Infant Community teaches self-regulation and appropriate social behavior. Across programs, children practice expressing feelings, following routines, and resolving conflicts in a supportive, multilingual environment.

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The school at a glance
Instructs in English, Mandarin, Japanese
Fees $26,500 - 33,000
Ages 1 - 12 years
Type Co-educational
Opened 2009
Bus Service No

American International Montessori School (AIM) is a bilingual Montessori day school serving toddlers to elementary students on two Berkeley/Oakland–area campuses. Founded in 2009 by Ernest Mahr, AIM offers three Montessori programs: Infant Community (18–36 months), Children's House (3–6 years), and Elementary (1st–6th). Language immersion is embedded across all divisions, with toddler tracks in Japanese and Mandarin, and elementary bilingual options in English/Chinese or English/Japanese. Immersion is 100% in the target language for younger children, with English introduced in the afternoon for older students; elementary classrooms maintain all-day language immersion. Classrooms emphasize authentic Montessori materials and native-speaking teachers. Two campus sites host distinct language tracks, with Montessori-trained staff across every classroom. The campus features bright, natural-light rooms, child-sized furnishings, two large play yards, and abundant outdoor and garden activities. After-school enrichment includes sports, art, and dance—most notably Yosakoi Japanese dance—and annual cultural events like Setsubun, broadening students' world awareness and curiosity.

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