Science, Technology, Engineering, and Math (STEM) 

STEM and College and Career Readiness

The mission of the STEM and CCR department is to focus on continuous improvement in Science, Technology, Engineering, and Mathematics (STEM) and preparing all students for high-school and beyond.  We aspire to develop 21st-century skills where the integration of technology is a natural part of the instructional day.

Our vision is to develop scholars who take their education in their own hands by choosing a school or career path that excites and inspires them.  Our primary role as a department is to expose our scholars to all possibilities and provide them with the resources they need to pursue them and to ensure they have the ability to choose any career or university/college of their choice.

Jane ArdellJane Ardell
STEM Director

Jane Ardell is proud to be working at the Cartwright School District again. She served as Glenn L. Down’s Assistant Principal from 2007-2010. Jane has worked in the Washington Elementary School District and served as principal at Alta Vista Elementary School. She received her Principal’s Certificate from Northern Arizona University in 2010. She secured her Master’s degree in Education with an emphasis in ESL from San Francisco State University in 2005. She has taught Early Childhood mathematics and social studies to student teachers at ASU. She believes in the power of STEM and uses her skills and knowledge to support our school district in the implementation of Science, Technology, Engineering and Math. 

Katherine Hoornstra PhotoKatherine Hoornstra
Assistant Director of STEM and College and Career

Katherine Hoornstra is proud to be a member of the Cartwright School District. She began her career in education in 2004 teaching 6th grade, all subjects, and 7th grade Science. Following her experience as a classroom teacher, Katherine became an Instructional Coach for grades K-8, supporting teachers with best instructional practices in all content areas in 2010. In 2012, Katherine took her first position as a school administrator as Dean of Students. She spent one year as a Dean before becoming an Assistant Principal for 5 years. Katherine joined the Cartwright School District in 2018 as the Principal of Castro Middle School followed by her most recent Principalship at Holiday Park School.  She now joins the Educational Services department as the Assistant Director of STEM and College and Career Readiness. She is excited to continue to serve the Cartwright School District supporting teachers and staff in innovatively  educating our students. She believes that through our district's efforts to promote college and career readiness and focus on Science, Technology, Engineering and Mathematics, our students will persevere and attain success for their future!

Kerri Munsil
Assistant Director of Math and Science

Kerri Munsil is a native of Arizona. She attended school in the Paradise Valley School District and at Northern Arizona University. She has a Bachelor's Degree in Elementary Education and a Master's Degree in Educational Leadership, both from NAU. She began her teaching career in Cartwright in 2000. She taught 3rd and 5th grades at Heatherbrae and was an Achievement Specialist at Glenn L. Downs. She worked a brief four years in the Washington School District as a Student Services before returning to Cartwright to be the TOSA at Academy For Success for two years. This year she was appointed the Assistant Director of Math and Science, happily supporting the district and all of its schools.

Deirdre ShetlerDierdre Shelter
STEM Instructional Technology Specialist

Dierdre Shelter is a STEM Instructional Technology Specialist with 13 years of teaching experience in the Cartwright School District in Phoenix, AZ. She taught grades 6-8 in the regular classroom for 5 years before moving to teach middle school technology and STEM classes for 7 years prior to joining the STEM department in Cartwright. She is passionate about teaching both students and teachers on how to use technology in the most responsible, empowering way possible.

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