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Greece, Athens
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Within the timetabled day, CGS offers English, French, German and Spanish; Chinese is available as an extracurricular course. Modern Greek is the official language of instruction for Elementary and Secondary; English is taught as an additional language, and the Diploma Programme is taught in English. From ages 3–6, instruction is bilingual in Modern Greek and English in the Early Years; literacy in Greek and English is emphasized across the school.
Dual-language environment in Pre-K and Kindergarten (Modern Greek and English). In Elementary and Secondary, Modern Greek is the official language of instruction; the Diploma Programme is taught in English. English is taught as an additional language within the PYP, MYP and DP, and students study at least two languages in the PYP.
From ages 3–6, instruction is in Modern Greek and English in the Early Years, supporting a dual-language Kindergarten and Nursery. In the PYP, English is an additional language and students begin selecting a second language (French, German or Spanish) from Grade 3. In the MYP, students study at least two languages, including Modern Greek and English, with a second additional language option. The Diploma Programme is taught in English.
Costeas-Geitonas School (CGS) is a long-established private school in Greece educating students aged 3 to 18. It offers the International Baccalaureate across the Primary Years Programme, Middle Years Programme and Diploma Programme, with Greek as the main language of instruction in the PYP and English as a secondary language. The 67,000 square metre campus features 103 classrooms, 3 science laboratories, 6 computer labs, and a Research & Media Library with over 25,000 holdings. Facilities include an Outdoor Amphitheatre, a Music Conservatory, a Dance Studio, a Visual Arts Studio and a Radio Station; two indoor heated pools, an outdoor stadium and track, four basketball courts, and a tennis and handball court. CGS runs the Elite Athlete Programme and partnerships with Juventus Academy Athens and the CGS Triathlon Club, together with the Duke of Edinburgh International Award. CGS Ellinikon was announced in 2022, with first students expected in 2026. The school hosts MUN conferences and a broad arts program.
