St. Joan of Arc Catholic High School (also referred to as SJA) is a high school in Maple, Ontario, Canada, located in the city of Vaughan. It is administered by the York Catholic District School Board. Its student population is primarily composed of residents of Maple and other parts of northeastern Vaughan.

• Massimo Bertocchi, decathlete who competed in the 2008 Beijing Olympics placing 19th.
• Melanie Fiona, a musician who has won two Grammy Awards

• Education in Ontario
• List of secondary schools in Ontario