Roman Catholic Diocese of Sion Roman Catholic Diocese of Sion The Diocese of Sion (, , ) is a Roman Catholic ecclesiastical territory in the canton of Valais, Switzerland. It is the oldest bishopric in the country and one of the oldest north of the Alps. The history of the Bishops of Sion, of the Abbey of St. Maurice of Valais as a whole are inextricably intertwined. The see was established at Octodurum, now called Martigny, the capital of the Roman province of Alpes Poeninae. The first authentically historical bishop was Saint Theodore/Theodolus (died in 391), who was present at the Council of Aquileia in
Marist-Sion College Marist-Sion College Marist-Sion College is a co-educational Catholic independent school founded in 1975 in Warragul, Victoria. Marist-Sion College enrols students from towns spanning from Trafalgar to Nar Nar Goon, Neerim District and Ellinbank District. Marist-Sion College serves four local parishes: Warragul, Drouin, Trafalgar and Iona/Maryknoll. Marist-Sion College was formed in 1975 as a result of a merger between St Joseph's College and Our Lady of Sion College. St Joseph’s College was a secondary school for boys, which was founded in 1951. Our Lady of Sion College was a secondary school for girls, which was founded in 1905. Prior to 2001