Estonia, Tallinn
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IST has a dress code for Grades 1–12; uniforms are supplied by the official supplier, Norrison. Grades 1–8 must wear the uniform top, while Grades 9–12 must wear a top bearing the IST logo; lower-body clothing is black, navy, or dark grey and skirts must be knee-length; outer layers must be royal blue, dark indigo, or white and may display the IST logo; PE clothing has its own guidelines.
Breakfast is served 8:00–9:00 in the canteen; lunch is served 10:45–11:15 for preschool and 11:30–12:45 for Grades 1–12. A private catering company prepares fresh meals daily with vegetarian, lactose-free, and gluten-free options on request; milk and bread are included and pork has an alternative protein option. Pupils may bring food from home to heat in the canteen; weekly menus are posted on school TVs; meals cost 2.20€ for breakfast, 5.85€ for lunch, and 2.60€ for a snack; meals are not included in tuition.
IST is owned by Mainor Group and was founded in September 2017 as part of Mainor's Ülemiste City ecosystem; the owner and management team have extensive experience in education.
International School of Tallinn is a private IB World School located in Ülemiste City, Tallinn, Estonia. It serves students from age 2 to 18 and delivers the IB across the Primary Years Programme, Middle Years Programme and Diploma Programme. English is the language of instruction, with Estonian taught in Grades 1–5 and additional languages including French, German, Russian and Spanish. The Diploma Programme, launched in 2022, features six subject groups and a DP core (Theory of Knowledge, Extended Essay, CAS); a diploma requires a minimum of 24 points from six subjects, with up to 3 extra core points for a maximum of 45. IST occupies a modern campus with a reception area, a library linked to the Estonian Public Library system, and on‑site dining. Sports and science facilities include a gym with multi‑sport courts and laboratories. After‑school activities span sports, arts, languages and technology, with clubs such as Little Scientist Club, Piano and Music Club, Chess and Think, Make, Test; Japanese and Chinese are offered after school.