• Welcome to Mr.Castro’s Classroom 

    computer pic1   GC

    CONTACT INFO:   These are the different ways that I can be reached.  I will make every effort to respond within 24 hours.

    1. email:  marco_castro@chino.k12.ca.us
    2. Google classroom (private message)***
    3. REMIND App:
      • Text @8ad9d68 to join (Honors) IM3
      • Text @ce6e9k3 to join AP CSP

    ***Parents/ Guardians: If you would like to be invited to your student's Google Classroom please email me with your preferred email, student's name, and class period.


    OFFICE HOURS: There will no longer be virtual office hours.  We can now meet on campus before/ after school, during lunch, or a during a scheduled time.