Meet the Administration

Mary Chapman

Principal
July 1, 2022 - Present
Ext. 5000 Email

Education:

2000 - Graduate of Rancho Cotati High School

2002 - Santa Rosa Junior College - A.S.

2005 - San Diego State University - B.S.

2006 - Pepperdine University - M.A. Education/Teaching Credential

2014 - California State University, Fullerton - M.S., Education & Administrative Credential

Professional Work Experience:

2006-2014 - Biology Teacher, El Rancho High School

2014-2016 - Assistant Principal, Business & Activities, El Rancho High School

2016-2020 - Assistant Principal, Guidance & Counseling, Pioneer High School

2020-2022 - Assistant Principal, Curriculum & Instruction, Pioneer High School

Xavier Diaz

Assistant Principal, Curriculum & Instruction

2025 - Present

Ext. 5020 Email

Education:

2000 - Graduate of Whittier High School

2004 - California State University, Fullerton - B.A.

2016 - California State University, Fullerton - M.S., Education & Administrative Credential

Professional Work Experience

2010-2014 - Mathematics/AVID Teacher, Dexter Middle School

2014-2018 - Mathematics Teacher, Pioneer High School

2018-2020 - Dean of Students, Pioneer High School

2020-2025 - Assistant Principal, Guidance & Counseling, Pioneer High School

Marvin Jacobo

Assistant Principal, Guidance & Counseling

2025 - Present
Ext. 5030 Email

Education:

2005 - California State University, Long Beach - B.A.

2010 - California State University, Long Beach - M.A., Educational Administration,

Professional Work Experience:

Spanish/AVID Teacher
Dean of Students
High School Assistant Principal

Dyan Acevedo

Assistant Principal, Business & Activities
2025 - Present
Ext. 5010 Email

Education:

Professional Work Experience:

George Rodriguez

Dean of Students
2022 - Present
Ext. 5036 Email

Education:

Professional Work Experience:

Karen Verduzco

Director, Exp. Horizons

2020 - Present
Ext. 5060 Email

Education:

Professional Work Experience: