St. Dominic Catholic Secondary School is a high school in Bracebridge, Ontario, Canada that serves all students from the Muskoka and Parry Sound area. Opened in 1995, the school campus has seen several stages of expansion to accommodate the school's growth in programming and population. St. Dominic C.S.S. is part of the Simcoe Muskoka Catholic District School Board.

In 2014, the Simcoe Muskoka Catholic District School Board invested in the school's one-to-one technology initiative which provided every student with an opportunity to use a Chromebook for the school year.

St. Dominic offers athletic team sports as well as several school clubs.

Teams include volleyball, basketball, soccer, badminton, and cross-country along with several other major team sports.

Clubs include Yearbook, Coding Club, Robotics Club, among various others.

• Spanish exchange history
• Murals (including for Bracebridge's "Fire and Ice" festival)
• Greenhouse
• The Pines
• "Santa's Workshop" - A program run by the SDCSS Construction Technology classes whereas younger students and the less fortunate receive handmade toys from the shop students.

• Education in Ontario
• List of secondary schools in Ontario