Science, Technology, Engineering, and Math (STEM) 

STEM Department Mission and Vision:

The mission of the PLC and STEM Department is to focus on continuous improvement in Science, Technology, Engineering, and Mathematics (STEM) and preparing all students for high-school and beyond.

Our vision is to become the essence of who we are as an educational community, committed to continuous improvement where every child has equal access to all content areas to ensure that all students are college and career ready. We aspire to develop 21st-century skills where the integration of technology is a natural part of the instructional day.

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

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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