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Principal, Jon Campopiano

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Jon is entering his second year as Principal of Stone Valley Middle School. Jon was born and raised in the Bay Area, graduated from UC Davis with a degree in International Relations and earned a Masters of Education at UC Santa Barbara. Jon began teaching middle school in 1996 and moved to Northgate High School in 1998. During his twelve years at Northgate, Jon served as the Social Studies Department Chair, WASC coordinator, Leadership teacher, Athletic Director, Varsity Baseball Coach, Freshman Football coach and Assistant Principal. In 2010, Jon was nominated as the MDUSD Administrator of the year. Additionally, Jon served as an Assistant Principal at Miramonte High School in the Acalanes Union High School District. Jon joined the outstanding staff and students of Stone Valley in the fall of 2015. In 2016, Jon was awarded the “Amazing Administrator” award by SRVEA and is thrilled to be work in the best school district in California. Jon is married to Karna and has three children (Sam, Matt and Nico) and loves to spend time with family, coach youth baseball, read and vacation at the beach.

Campopiano, Jon Principal

Assistant Principal

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Sandy Kontilis is currently the Assistant Principal of Stone Valley Middle School. Prior to joining the SVMS community in 2014, Sandy worked as a Teacher on Special Assignment at Montevideo Elementary School and Neil Armstrong Elementary School. As a TSA, Sandy assisted the schools' administration with special education responsibilities. Additionally, Sandy has 10 years of experience teaching Sixth Grade Core at Pine Valley Middle School in San Ramon. She received her Masters of Educational Leadership as well as her Administrative Credential from Saint Mary's College of Moraga. Sandy is married to Jay, who is a middle school teacher in San Ramon. She also has two children, Veronica and Anthony, who received their education in the San Ramon Valley Unified School District before pursuing collegiate and graduate degrees.

Kontilis, Sandy Assistant Principal