The mission of the Sierra High School Staff is to increase student achievement through the analysis of student data and the assessment of our instructional practices. We will work collaboratively with our community to assist in creating self-directed learners.

Superintendent's Letter to Parents on PARCC

PARCC Testing Calendar


Boys & Girls Club Summer Program
Register Online for The Club (ages 13-18)- no online registration fee


Assistant Principal Angela Prochnow Named Colorado Assistant Principal of the Year for Secondary Schools

Angela Prochnow, Assistant Principal of Sierra High School in Harrison School District 2, has been named the 2015 Colorado Assistant Principal of the Year for secondary schools by the Colorado Association of School Executives (CASE) and will represent Colorado in the National Assistant Principal of the Year award program.

Read more from the CASE press release.
Read The Gazette article "Sierra High administrator gets top award".


Aaron Griffen, Principal
Angela Prochnow, Assistant Principal
Jymil Thompson, Assistant Principal
Patti Hartman, Assistant Principal