All Staff Directory

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Photo of Debby Onda

Debby Onda

Pre-K Teacher

RCS Preschool teacher from 2005 to present; Lunch Bunch coordinator for two years; Rez nursery volunteer for seven years; five years Elementary School Administrative Assistant; Attended USC and Cal State University at Los Angeles, Business and Computer Science.



Jim Orth

Middle School Science/Math Teacher

Athletic Director and Principal. CAMLE (Colorado Association of Middle Level Educators) Board Member.  Honored to serve with staff at RCS! At RCS since 2019.



Ciera Osterlund

Middle School Choir Teacher

BA, Music Education: Vocal/General Piano/K-12. Licensure UNC, 2018. Participated in the Broadway Teachers Workshop in New York City. Leader with Timberline Student Ministries for the past 4 years. ACSI pending and State Licensed. A Fort Collins Native.  At RCS since 2019.



Photo of Brenda Otteman

Brenda Otteman

High School Science Teacher

B.A. in Biology and a M.A. in ESL through the University of Northern Colorado. Has taught all sciences to students as young as 5th grade through AP level courses. ACSI and State certified. Teaching since 2001. At RCS from 2016 to present.



Photo of Tiffiany O’Neill

Tiffiany O’Neill

Middle School English

BA, English, Political Science Minor, UNC. ACSI certified. Teaching since 2005. At RCS from 2006 to present.