The International School of Tucson (IST) offers an internationally-based and internationally-grounded bilingual program of instruction in Chinese/English, French/English, German/English and Spanish/English. The school offers Pre-School full-immersion program to children aged 3 to 6 and Junior School dual-immersion program children aged 5 to 11. Its pre-school classes and dual-immersion Junior School offer full-immersion Chinese, French, German and Spanish. The International School of Tucson is a member of Arizona Language Association, Arizona Association of Independent Schools and Center for Applied Linguistics, among others.