• About Mr. John Krob...

    Position: Math Teacher

    Team/Department: Math

    Room: C 13

    Phone: 602-341-3494

    Email: Mr. John Krob

    Mr. John Krob

    Connect With Us

    Click here to connect with us on our school social media pages, Infinite Campus Portal (assignments and grades), by email, or by phone.


    Welcome to another year at Camille Casteel High School.

    This website is for general information only. You should consult the google classroom for specific details about classes.

    My Education and Professional Background

    1995 - I earned my Bachelors Degree in 1995 - English major with minors in history, theology and computer information systems.

    Since that time, I have worked for a regional grocery chain as an assistant facilities manager. I  have worked for an architect as a construction project manager. I have also worked for a restaurant chain as a regional construction manager.

    2011 - I earned a Masters of Business Administration in 2011 from the Colorado State University System.

    2016 - I earned a Masters of Education in secondary mathematics.

    I started teaching in January of 2017 here at Casteel High School.

    My Educational Philosophy

    Understanding a concept is more important than the grade.

    If you understand the concept the grades will follow.

    It is better to try something than not even try.

    Show your work, it is not for you but so others know what you did.