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General Contact

Thank you for your interest!

Contact Us:

707.255.0950
707.255.0334  FAX - Main Office

Faculty/ Staff Directory

  • Photo of Matthew Schmitz
    Matthew Schmitz '01
    Guidance
    Student Support Coordinator
    Since: 2011
    707.255.0950 ext. 561
    Sonoma State University - B.A; M.A.
  • Photo of Eileen Simmons
    Eileen Simmons
    Business Office
    Accounting Manager
    Since: 2014
    707.255.0950 ext. 608
    Heald Business College - A.A.
  • Photo of Jill Sinclair
    Jill Sinclair '99
    Guidance
    Director of Counseling
    Since: 2004
    707.255.0950 ext. 623
    University of California, San Diego - B.S.
    Sonoma State University - M.A.
  • Photo of Debbie Skillings
    Debbie Skillings
    Administrative Support
    Registrar
    Since: 1998
    707.255.0950 ext. 642
  • Photo of Br. Kevin Slate,
    Br. Kevin Slate, FSC
    Advancement
    Director of Donor Relations
    Since: 2015
    707.255.0950 ext. 707
    Saint Mary's College of California - B.A.
    Georgetown University - M.A.
  • Photo of Jennifer "Ms. Smetzer" Smetzer
    Jennifer "Ms. Smetzer" Smetzer
    Residential Life
    Amerigo Napa Valley ~ English Language Learning Coordinator
    Since: 2021
  • Photo of Mary Alice Spinelli
    Mary Alice Spinelli
    Religious Studies
    Instructor of Religious Studies; Department Chair
    Since: 2021
    707.255.0950 ext. 752
    California State University, Sacramento - B.A.
  • Photo of Kathryn Stafford
    Kathryn Stafford
    Mathematics
    Instructor of Mathematics
    Since: 2021
    707.255.0950 ext. 753
    University of California, San Diego - B.S.
    California State University, Channel Islands - M.S.
  • Photo of Melissa Stone
    Melissa Stone
    Visual and Performing Arts
    Instructor of Graphic Design
    Since: 2023
    707.255.0950 ext. 771
    California College of the Arts - BFA
    Art Center College of Design - MFA
  • Photo of Tyler Streblow
    Tyler Streblow '04
    Administrative Support
    Gasser Center Associate; Head Varsity Football Coach; Outside Facilities Coordinator
    Since: 2018
    707.255.0950 ext. 671

Justin-Siena High School

4026 Maher Street
Napa, CA, 94558
United States
T: 707.255.0950 
F: 707.255.0334
Justin-Siena is a Lasallian Catholic college preparatory community that serves young people in grades 9–12.