Last ISAO schools were held in * 2025 – Catania, Italy * 2023 – Sherbrooke, Québec, Canada * 2020 – ISAO was planned to be held in Bolzano (Italy) but the pandemic broke the plan. * 2018 – Cape Town, South Africa * 2016 – Bozen-Bolzano, Italy * 2014 – Vitoria, Brazil * 2012 – Trento, Italy