Head of School David King

David King

Head of School

Mr. King has served as an English teacher, College Counselor, District Testing Coordinator, and Director of Academic Programs at BASIS Charter Schools in San Antonio. He was also the Head of School at BASIS Ahwatukee in Phoenix, Arizona.

Before joining BASIS Charter Schools, Mr. King was an English department chair, AP English teacher, and boys’ tennis coach at Catalina Foothills High School in Tucson. He was also an adjunct writing instructor at Saint Louis University and an AP English Literature teacher at a private school in San Antonio, Texas. He is a Texas and Arizona certified teacher in English language arts, history, elementary education, and English as a second language.

Before entering the educational field, Mr. King was an academic instructor and intelligence officer in the United States Air Force. He earned a BA with honors in English from the University of North Alabama and an MA in English from Saint Louis University, where he was also a Loyola Fellow. Additionally, he holds an MA “en Estudios Culturales y Literarios Anglo-Americanos” from the Universidad Autónoma de Madrid in Madrid, Spain.

Contact David King

L Rangel

Lorene Rangel

Head of Operations

Lorene Rangel joined BASIS Shavano in 2017 as Auxiliary Programs Assistant and later Auxiliary Programs Coordinator. A San Antonio native, Lorene graduated cum laude from St. Mary’s University with a B.S. in Accounting, and she is a Texas CPA.

Lorene began her career at the international accounting firm of Arthur Andersen in the San Antonio office and later worked for Dell, Inc. in Austin. She has also served as the corporate controller of a high-tech startup.

Lorene took a temporary “retirement” from her career when her husband, Nick, accepted an expat assignment in Rio de Janeiro, Brazil. During their six years in Brazil, Lorene learned Portuguese and traveled extensively throughout South America. The Rangels joined the BASIS family as parents in 2014 when their oldest son enrolled at BASIS North Central. All five Rangel children are currently BASIS students.

Lorene is excited to serve as the Head of Operations for BASIS Shavano and work with the families of our wonderful school, and she is committed to bringing the same level of excellence to the HOPS role as our students bring to their academic endeavors.

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A. Martinez-Walthall

Amanda Martinez-Walthall

Director of Academic Programs

Amanda Martinez-Walthall joined the BASIS Shavano team in the summer of 2017 as the Curriculum Coordinator.  Prior to joining the BASIS community, Amanda managed a cheerleading facility where she created a curriculum for all-star competitive cheerleaders as well as developed a leadership program for young athletes.  Amanda also worked for the National Cheerleaders Association where she mentored and trained collegiate cheerleaders, high school and college level cheerleading coaches, and high school cheerleaders around the state of Texas.

Mrs. Walthall earned a BBA from St. Mary’s University where she majored in Marketing and Business Administration.  As a native San Antonian, she enjoys volunteering each year at her alma mater during Fiesta Oyster Bake to help raise money for scholarships so that more students are able to attend St. Mary’s University and attain a university degree.

Contact Amanda Martinez-Walthall

Michael Leach

Michael Leach

Director of Middle School Programs

Mr. Leach previously served at BASIS San Antonio Primary North Central as an orchestra director and grade 5 choir teacher, and at BASIS San Antonio Shavano as Dean of Students for the Lower School Program. He moved from Houston to San Antonio, where he earned a BM in Music Education and an MA in Teaching from Trinity University. Mr. Leach is also the assistant coach of the middle school basketball teams and high school baseball team.

Bridgett Parker

Bridgett Parker

Director of Upper School Programs

Ms. Parker joined BASIS San Antonio Primary Medical Center in 2015 as an English teacher and NJHS sponsor before transitioning to BASIS San Antonio Shavano as Dean of Students for the Upper School Program. She enjoys attending school sports and art events.

Ms. Parker earned a BS in English Education from Boston University, and holds teaching certifications in Texas and Massachusetts. She has experience teaching, mentoring, and tutoring in grades 5–12 throughout the greater Boston area, London, and Texas.

Contact Bridgett Parker