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Rancho Cucamonga High School
(909) 989-1600
7:30-4:00 M-F

Administration Office

RCHS Administration

Mr. Cary Willborn
Principal
Jill Snyder, Administrative Secretary
 
Ms. Joni Siegel
Assistant Principal of Instruction
Gina Rodriquez, Instruction Secretary
 
Mr. Rick Gundrum
Assistant Principal of Achievement
Tammy Mayer, Achievement Secretary
 
Mr. Colby Helper
Assistant Principal of Educational Services
Stacy Ransdell, Educational Services Secretary
 
Mr. Jose Rangel
Assistant Principal of Discipline
Monica Sierra, Discipline Secretary

Contact Us

Gundrum, Richard (909) 989-1600 Assistant Principal of Achievement
Helper, Colby (909) 989-1600 Assistant Principal of Ed Services
Mayer, Tammy Achievement Secretary
Rodriquez, Gina Instruction Secretary
Siegel, Joni (909) 989-1600 ex.2022 Assistant Principal of Instruction
Sierra, Monica (909) 989-1600 ex.2030 Discipline Secretary
Snyder, Jill Administrative Secretary
Willborn, Cary (909) 989-1600 ex.2020 Principal