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English is the primary language of instruction, with explicit English-language programs and support available. English as an Additional Language (EAL) support is offered for students who need help with reading, writing, speaking, and listening, including one-on-one and small-group lessons. The school provides an Afternoon English Course with an English Beginner track (4–6 years old, Mon/Thu) and a Language Arts track for older students (6+), aimed at maintaining and strengthening speaking, listening, reading, and writing in English. Japanese language instruction is provided as part of the Enrichment Program to expose students to the local language and culture; the enrichment classes also include English-language resources such as a large English-language library.
No formal language immersion programs are described on Yokohama Christian School pages. Japanese language instruction is offered as part of the Enrichment Program to expose students to the local language and culture. The Afternoon English Course is conducted in English; the classroom is English-only, with Japanese-speaking staff available for emergencies. These arrangements indicate language learning occurs through English instruction and targeted Japanese exposure rather than full-language immersion across the curriculum.
Yokohama Christian School (YCS), founded in 2002, is located in Yokohama’s historic Bluff (Yamate-cho) area and serves children from Preschool through Grade 5. The elementary program uses an American Classical Christian curriculum, including resources such as Shurley English, Saxon Math and Bible materials. The school notes that social studies draws on students’ backgrounds and the school’s Japan location. YCS also offers an enrichment program across ages that includes art, music, PE, Latin, library, technology and worship, with Japanese listed as part of enrichment in the admissions FAQ. For after-school options, the school lists clubs such as Children’s Choir, Book Club, Homework Club, Multimedia Club and Running Club. The school also describes an After School Care program with extended options.