- Selwyn School
2270 Copper Canyon Road
Argyle, Texas, 76226 - 940-382-6771
admissions@selwynschool.com - Administration Hours
Monday – Friday
7:30 am – 5:00 pm
Closed Weekends
Middle School Academy Math
Phone: 940-382-6771 x460
Email: landerson@selwynschool.com
Degrees: Bachelor of Science in Mining Engineering, South Dakota School of Mines; Master of Business Administration, Southern Methodist University
Year Appointed: 2022
Middle and Upper School Science
Phone: 940-382-6771 x 440
Email: mbickham@selwynschool.com
Degrees: Bachelor of Science in Biology and Chemistry minor from University of North Texas; Science Composite Texas Certified 8-12; Master of Science in Secondary Education/Biology from Texas A&M-Commerce
Year Appointed: 2008
Head of Upper Elementary
Grades 4th-6th Language Arts
Phone: 940-382-6771 x 200
Email: lbiles@selwynschool.com
Degrees: Bachelor of Arts in Sociology from the University of North Texas; Master of Education in Special Education from the University of North Texas
Year Appointed: 2006
Athletic Director
Grade K-12 Physical Education
Phone: 940-382-6771 x 490
Email: bbishop@selwynschool.com
Degrees: Bachelor of Arts in Kinesiology, Texas Tech University; Associate of Arts and EMT Certification, McLennan Community College
Year Appointed: 2022
Kindergarten
Phone: 940-382-6771 x630
Email: bchekunov@selwynschool.com
Degrees: Bachelor of Science, Speech Language Pathology and Audiology, California State University, East Bay; Master of Arts in Teaching, Elementary Education, Western Governor’s University
Year Appointed: 2022
Upper School Humanities
Phone: 940-382-6771 x450
Email: hchelberg@selwynschool.com
Degrees: Bachelor of Arts in International Studies with German minor, Eckerd College; Master of Arts in International Conflict Analysis, University of Kent at Canterbury; Teachers of English to Speakers of Other Languages (TESOL) Certified
Year Appointed: 2022
Grades 4-6 Science
Phone: 940-382-6771, x270
Email: rclark@selwynschool.com
Degrees: Bachelor of Science in Elementary Education, Stephen F. Austin State University; Master’s classes, Gifted and Talented, University of North Texas
Year Appointed: 2022
Upper School Math
Phone: 940-382-6771 x 410
Email: cdahler@selwynschool.com
Degrees: Bachelor of Arts in Plan II (Honors Liberal Arts) from the University of Texas with the equivalent of a major in Spanish and minor in French; Master of Arts in Mathematics, University of North Texas
Year Appointed: 2004
Grade 1
Phone: 940-382-6771, x640
Email: mgritti@selwynschool.com
Degrees: Bachelor of Science in Sociology, Illinois State University; Master of Science in Social Work, The University of Illinois; Texas Teaching Certificate, Region IV
Year Appointed: 2021
Grades 4th-6th Math
Phone: 940-382-6771 x205
Email: kkinder@selwynschool.com
Degrees: Bachelor of Arts in Psychology from Austin College; Master of Arts in Teaching from Austin College
Year Appointed: 2014
Music Teacher
Phone: 940-382-6771, x205
Email: bknapp@selwynschool.com
Degrees: Bachelor of Music Education, Wheaton College; Master of Music in Choral Conducting, Michigan State University; K-12 Music Teaching Certificate, State of Michigan
Year Appointed: 2022
Head of Secondary Education
Upper School English
Phone: 940-382-6771 x 400
Email: mkosednar@selwynschool.com
Degrees: Bachelor of Arts in English from Midwestern State University; Texas Lifetime Secondary Teaching Certificate (6-12)
Year Appointed: 2004
Reading Specialist
Phone: 940-382-6771
Email: slackey@selwynschool.com
Degrees: Bachelor of Science in Education with a minor in Reading from Texas Woman’s University. Texas certification to teach PK-8. Licensed Dyslexia Therapists, Certified Academic Language Therapists
Year Appointed: 2021
Early Childhood Teacher
Phone: 940-382-6771, x620
Email: llin@selwynschool.com
Degrees: Maho Nursing College, Nursing and Midwife Degree; Childhood Development, Texas Womens University
Year Appointed: 2003
Early Childhood Director and Teacher
Phone: 940-382-6771, x610
Email: llivas@selwynschool.com
Degrees: Bachelor of Applied Arts and Sciences, University of North Texas; Early Childhood Education Director Certificate
Year Appointed: 2022
Grades PK-6 Art
Phone: 940-382-6771 x320
Email: smallett@selwynschool.com
Degrees: Bachelor of Fine Arts in Metalsmithing and Jewelry Design from the University of North Texas
Year Appointed: 2009
Early Childhood Aide
Phone: 940-382-6771
Email: smassey@selwynschool.com
Year Appointed: 2021
Library and Technology Integration
Phone: 940-382-6771 x330
Email: mmurphey@selwynschool.com
Degrees: Bachelor of Fine Arts in Visual Arts Studies from the University of North Texas; Master of Science in Library Science from the University of North Texas
Year Appointed: 2016
Kindergarten Aide
Summer Programming Coordinator
Phone: 940-382-6771 x 630
Email: spalma@selwynschool.com
Degrees: Enrolled in Education program at North Central Texas College
Year Appointed: 2021
Grade 2
Phone: 940-382-6771
Email: treynolds@selwynschool.com
Degrees: Bachelor’s Degree, University of Central Oklahoma; Master’s Degree, Texas Woman’s University
Year Appointed: 2022
Spanish Teacher
Phone: 940-382-6771, x470
Email: msanabria@selwynschool.com
Degrees: Bachelor of Science from Universidad Metropolitana; Art History from Universidad Simon Bolivar; Masters in Art Museology, Universidad de Madrid
Year Appointed: 2019
Head of Lower Elementary
Grade 3
Phone: 940-382-6771 x 210
Email: msayler@selwynschool.com
Degrees: Bachelor of Arts in English from Texas Woman’s University
Year Appointed: 2009
Grades 7-12 Art
Phone: 940-382-6771 x 320
Email: mswartz@selwynschool.com
Degrees: Bachelor of Fine Arts in Drawing and Painting, University of North Texas; Pursuing a Master of Fine Arts in Art and Ecology at the University of New Mexico
Year Appointed: 2022
Lower School Reader and Library Aide
Phone: 940-382-6771 x 330
Email: swilliams@selwynschool.com
Degrees: Pursuing Bachelor of Science in Integrative Studies at UNT
Year Appointed: 2018
