Ms. Sierra has 35 years teaching experience and has taught in DoDEA schools for 20 years. In addition to her present assignment at Antilles High School, she taught science and Math at Antilles Middle School at Fort Buchanan. She began her teaching career as a biology teacher at Albizu Campos Hight School in Levittown, Puerto Rico and went on to become a Spanish Resource Teacher at Westminster Elementary School in Colorado. She also taught science at Ramey School. She has a Bachelor of Arts degree in Secondary Education from the University of Puerto Rico and a Master's Degree in Education Administration and Supervision from the University of Phoenix.

Ms. Sierra believes that teaching is a profession of passion - passion for the act of teaching, passion for what is being taught. It is never a job, nor a career, but certainly a calling. A former student shares, "It was in her class that I realized the beauty of a subject that is continually expanding in knowledge. It was during her course that I decided to study biology, to become a researcher, and it was Ms. Sierra who pointed me in the right direction. I suspect throughout the years she has touched many students lives, be it by giving them the only glimpse of biology that they will most likely ever obtain or by brightening up their lives with her eccentric enthusiasm."

2008 winner, Iliada Sierra
Iliada Sierra Math and Science Teacher
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