Marist-Sion College is a co-educational Roman Catholic independent school founded in 1975 and located in Warragul, Victoria, Australia.

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.

Members of the executive team are as follows:

• Lisa Harkin: Principal
• Jacinta Johnston: Deputy Principal – Catholic Identity and Mission
• Tim Morrison: Deputy Principal – Student Learning Culture and Growth
• Janelle Burgess: Deputy Principal – Wellbeing Partnerships and Safety
• Georgie Erpisimidis: Deputy Principal – Professional Culture and Growth
• Shane Stiles: Business Manager

Prior to 2001 there were four houses: Champagnat, Joseph, MacKillop and Marcellin. Four new houses were added in 2001: Jericho, Loreto, Lourdes and Sion.

The eight houses and their respective colours are as follows:

• Champagnat – Navy blue
• Jericho – Orange
• Joseph – Yellow
• Loreto – White
• Lourdes – Light blue
• MacKillop – Green
• Marcellin – Red
• Sion – Purple

• Craig Hutchison
• Robert Murphy
• Trent Hotton
• Tom Papley

• List of schools in Victoria

• Official Marist-Sion College Website