Our Administrators

Nicole Tiley | Head of School

Mrs. Tiley is the head of school for Colorado Preparatory Academy and PPOS, and joined the team 11 years ago. She has worked as a special education teacher, a K–12 academic director, and a head of school. Mrs. Tiley earned a BA in special education from the Pennsylvania State University. She completed her Master of Education from Northern Arizona in special education. She also completed an additional Master of Education degree in educational leadership with an emphasis in K–12 administration.

Mrs. Tiley was awarded the 2006 Westside Impact Teacher of the Year and was a 2006 Rodel Exemplary Teacher Finalist. She enjoys coaching youth basketball and soccer.

Greg Terry | Principal

This is Mr. Terry’s first year as AP. He has been teaching for 12 years with nine of those being in an online setting. He earned his BA in secondary education and mathematics concurrently from the University of Wyoming and his master’s from the University of Colorado Denver. Mr. Terry also holds certificates in secondary mathematics and as a special education generalist.

Sue Novick | Senior Manager, CO State Shared Services

Kimber Podsedek | Operations Manager

Ms. Podsedek is the manager of school operations for K12-powered schools in Colorado. She has been with K12 since 2007. Before her role as manager of school operations, she worked as a high school advisor. She loves working with all our wonderful staff and families to support all the different learning options our schools have.

Julie Casten | Family Engagement Administrator

Mrs. Casten is the family engagement administrator for Colorado Preparatory Academy and PPOS and joined K12 in 2014. She brings more than eight years of experience in education, community service, school start-up, family engagement, and support. She earned a BS from Colorado State University.

Diann Richardson | Data Coach Lead