Denis Parcells


  • Denis is in his eighth year as the proud principal of Jack School. He served as an administrator with the Deer Valley District for three years, was a Rodel Aspiring Principal, and taurght for seven years before pursuing administration. He graduated from the University of Washington and a Masters in Administration from Arizona State University. He was named the Glendale Elementary District Principal of the Year in 2016 and was named in Arizona Rodel Exemplary Principal in 2017. He loves to spend all his free time playing/coaching sports, riding motorcycles, juggling, camping. hiking, and hanging out with his wife and three crazy boys... YES! 

Principal Message

  • Welcome to William C. Jack, where learning is fun and kids are #1...YES! This is my eighth year as the proud principal of Jack. I love our school, our staff, our community, and our students. Our mission is to help every student succeed in life. We have a dedicated staff willing to do whatever it takes to ensure our students have an opportunity to succeed. We have a Dual Language Program that focusese on helping students learn the English and Spanish languages. We provide extensive before and after school enrichement and tutoring programs. We have countless partnerships with our community to provide families and students with resources. We focus on weekly social skills and implement a positive behavior management system with lots of positive incentives to help students make appropriate choices. We have a family resource center and a food pantry dedicated to supporting parents and families. These are just a few examples of our mission in action. Thank you for choosing Jack for your child's education. We look forward to working with you and continuing to improve every day to make Jack the best school it can be for our children. And remember Dolphins, keep smiling and have a YES! kind of day!