Centennial High School is a senior high school in Calgary, Alberta, teaching grades 10 through 12. The school's name was chosen as a reference to the 100th anniversary of the province of Alberta joining confederation in 2005, as the construction of the school was finished that year. The high school opened for students to attend in 2004, while the school was still undergoing construction. The school is part of the Calgary Board of Education's public school system, and is located in the neighbourhood of Sundance.

Centennial High School teaches core courses such as English, Mathematics, Science, and Social studies as indicated by Alberta Education's Programs of Study mandated curriculum. Alongside this, alternative programs suited to specific students' needs are available, including Advanced Placement (AP), Commercial Foods and Cosmetology Apprenticeships, English Language Learner (ELL), Knowledge & Employability (K&E), and field trips.

Centennial also offers various other complimentary courses, from areas such as Career & Technology Studies (CTS), Fine & Performing Arts, Modern Language & Culture Studies, Physical Education & Wellness, and Academic related options. Several popular classes from each include Foods, Cosmetology, Robotics, Band, Drama, Spanish, Sports Performance, and Military studies, with there being plenty more.

• Alexa Gray (class of 2012), professional volleyball player

• Centennial's school website
• School profile on the Calgary Board of Education website