bheinrich@colliervilleschools.org

I am honored to serve as the principal of Collierville Middle School and am excited to welcome your family to our school community. My journey in education began in the classroom and on the field, where I taught and coached both baseball and football at Southwind High School from 2009 to 2015. These early years instilled in me a passion for student development, teamwork, and the power of strong school culture.

In 2015, I joined Collierville High School as an assistant principal, where I proudly served for six years. From 2021 to 2023, I had the opportunity to support students across the district as the Career and Technical Education (CTE) Supervisor for Collierville Schools. Most recently, I returned to Collierville High as Vice Principal, serving from 2023 to 2025 before transitioning into my current role at CMS.

Collierville is more than just the place I work—it’s the community my family calls home. My wife, a former teacher at Crosswind Elementary, currently serves as an Instructional Technology Facilitator at Tara Oaks Elementary. Together, we are raising three wonderful children—Cantley, Rue, and Caroline—all of whom are proud students at Tara Oaks.

As both an educator and a parent in Collierville Schools, I understand the importance of creating a learning environment where every student feels seen, supported, and empowered to succeed. I am committed to fostering a culture at CMS where everyone matters, and where each day is a great day to be a Dragon.

I look forward to partnering with you to ensure a successful and fulfilling school year for every student.

dheggie@colliervilleschools.org

My name is Devin Heggie, and I am extremely excited to serve as your 7th-grade assistant principal. I am originally from Kansas City and have been in the Collierville area for 10 years. I received my B.S. in Biology from the University of Arkansas at Pine Bluff and my M.Ed. from Tennessee State University in Educational Leadership and Administration. I bring 8 years of experience as an educator. I have served as a middle school math and science teacher, high school science and STEM teacher as well an Instructional Technology Facilitator. No matter my role within an educator, I always ensure that I do the absolute best for all students. I look forward to making a positive impact toward equity and excellence so our students learn to make their own positive and lasting impact on society. My wife, Shay, and I are parents to three children, Jaden (15), Dalton (4), and Harper Leigh (1). GO DRAGONS!!!

shouse@colliervilleschools.org

I’m honored to serve as the Interim Assistant Principal at Collierville Middle School beginning January 6, 2026. With 18 years of experience in education, my journey began in Mississippi before I transitioned to Memphis City Schools, now Memphis‑Shelby County Schools.

I hold a bachelor’s degree in Biology from Rust College, a master’s degree in Curriculum and Instruction Leadership from the University of Memphis, and an Education Specialist degree in Educational Leadership from Arkansas State University.

Throughout my career, I’ve had the privilege of serving as a middle and high school science teacher, PLC Coach, Title I Coordinator, after‑school tutoring coordinator, and building testing coordinator. Beyond my work in education, I’m a devoted wife to my husband, Marco, and a proud mother of three: Jaeden (20), Jade (14), and Marlei (5).

I’m excited to bring my passion for teaching, learning, and student success to CMS in this new leadership role.

cowen@colliervilleschools.org

My name is Christina Mullen Owen, and I am so excited to be assistant principal for the 6^th grade! I am from Memphis, TN, and I have worked in education for 15 years.  I received my B.A. in English from the University of Memphis, my M.A.T. from Belhaven University, and my Ed.S. from Union University. I worked as an ELA teacher at CMS from 2016-2021 where I was named CMS’ and Collierville Schools’ Teacher of the Year in 2021. Last year, I served as a Data/PLC Coach for Collierville Schools.  I have also worked with the TN Department of Education as a textbook reviewer and TCAP reviewer. I was recently awarded the EdReports Klawe Fellowship for advocating for high-quality instructional materials. At home, my husband, Blake, and I are parents to two children, CeCe (6) and Frankie (4), who both attend Sycamore Elementary.  We also have an 11-year-old Rat Terrier named Buster.  I look forward to getting to work with CMS teachers, students, and families as an admin this year!   GO DRAGONS!!