Préfleuri International Alpine School is a boarding and day school in Chesières – Villars-sur-Ollon in the Swiss Alps, founded in 1948 and teaching in both English and French sections for children aged 3 to 14. Alongside the school year it has been welcoming children to the mountains for over 75 years through its summer and winter holiday camps, run by a resident team of teachers, educators, animators and housemothers.