Lower School Staff

Beth Kellen

Beth Kellen has a Bachelors of Science degree in Interdisciplinary Studies and is certified to teach grades 1-6. Her specialization is Reading. She is in her fifth year of teaching.

Beth’s passions are STEM projects, community gardening, and thorough integration of technology into the school day.

As a Mom of three children, Beth understands the home- to-school connection. She loves to keep Vanguard families involved. Her overarching philosophy in the classroom is meet children where they are and help them grow, work in conjunction with therapists to facilitate positive change, and celebrate everyday victories.

Charity Graham

Charity joined the Vanguard family in October 2016.  After several years in the corporate world, she decided to go back to school for her first love, teaching.  She earned her Bachelors Degree in elementary education from Liberty University.  Charity considers working with children to be a privilege and joy, and marvels at the magic that happens in the classroom everyday.

Frank Farino

Frank Farino has a Bachelor’s degree in early childhood education and special education.  He has over 23 years experience in the academic and behavioral development of children and young adults.  Frank has been part of the Vanguard Prep School for 6 years and is dedicated in facilitating a nurturing environment for students to grow both academically and socially.

Chris Cousins

Chris Cousins is a born and raised Dallas native. After graduating from the Greenhill School, just down the road from Vanguard, Chris went to Southern Methodist University. At SMU, he earned a B.A. in Art History.

Chris spent 10 years as a Special Education teacher in Richardson ISD and Dallas ISD. He worked with elementary and middle school children in all academic subjects, including 2 years in a self-contained autism class. This experience helped cement Chris’s desire to foster and expand the learning opportunities of all students.

Gaby Arrington

Gaby Arrington has a Bachelor’s degree in Psychology with a minor in Sociology from Texas A&M University. She is currently pursuing her Master’s degree in Counseling with a concentration in children and adolescents. Her goal is to become an LPC and specialize in Play Therapy and working with children. For the past three years she has been working with children on the Spectrum and other developmental differences as an ABA therapist. Gaby received her RBT certification in 2017 to develop a deeper understanding about applied behavioral analysis.

Devin Warren

Devin Warren graduated from the University of North Texas with a Bachelor’s in Social Work and a minor in Family Studies and Child Development. Devin loves working at Vanguard as the lead Pre-K teacher and has over 15 years of experience working with this age group. She has a passion for working with children and strives to provide a safe, loving environment for the children in her class. When Devin is not teaching, she loves spending time with her four children and husband.

Michael Powers

Michael (Mikey) Powers has an undergraduate degree in Christian Studies with a minor in Spanish from Dallas Baptist University. He is currently pursuing his master’s degree in professional counseling at the University of North Texas with emphasis in children and adolescents. Mikey joined Vanguard in 2017 as an after school program coordinator and resident coordinator for the 18+ transitional house. In 2018, he transitioned from the after school program to an elementary school teaching assistant. He finds great joy in working with the staff and students at Vanguard and in creating a positive, comfortable, and fun learning environment!


Parent Support Group
Tuesday, September 10th

Parent Education Session
Thursday, September 24th

Staff Development Day
Friday, September 25th

Fall Break
October 5-9

Vanguard Preparatory School

4240 Sigma Road Dallas, TX 75244

Accredited By Southern Association Of Colleges And Schools - AdvancED | TEA Approved

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(phone) (972) 404-1616
(fax) (972) 404-1641

(email) info@vanguardprepschool.com