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Leadership Staff

Tanya Calendo : Principal


Mrs. Calendo arrived on campus in July of 2014. Mrs. Calendo grew up in Wisconsin and has lived in New York, Connecticut, New Hampshire, and Illinois before arriving in Arizona. She received B.A. in Education and Historyfrom Concordia (Bronxville) in 1989 and received Master’s in Education (Counseling emphasis) from Northern Illinois University in 1993. She served as an elementary teacher while also serving as assistant principal at Immanuel Lutheran in Crystal Lake, IL from 1997-2005. 

Mrs. Calendo and her husband, a college enrollment advisor, have one son that attends Christ Greenfield and two sons that are alumni.  Her favorite Bible verse is "Be still, and know that I am God." Psalm 46:10 

Jaci Gloss : Vice Principal & Preschool Director


Mrs. Gloss’ passion for education began at a very young age as her favorite thing to do as a small child was to “play school”. She taught 4th, 7th and 8th grades prior to starting her family in 1995. Jaci was fortunate to “stay at home” with her three daughters for 14 years before coming back to the classroom in 2009. Mrs. Gloss is synodically trained and is rostered through the Lutheran Church - Missouri Synod. She has a Master of Education Degree from Northern Arizona University and holds a current Arizona K-8 teaching certificate with an Early Childhood Endorsement and a Reading Specialist Endorsement. Mrs. Gloss and her family have been members of Christ’s Greenfield Lutheran Church since 2002.

In 2019, Mrs. Gloss was named Early Childhood Educator of the Year for the LCMS Pacific Southwest District. 

Administrative Support Staff

View the bios for the Christ Greenfield office staff.