Save the Date!!


 Jan. 17th 6:00 PM, MST

"STEM-ifying Your Lessons"

Presented by: Kristina Stem

    Welcome to CAST!

    Connecting, supporting, and empowering science educators throughout Colorado.


    The 2022 Colorado Science Conference 

    Was held November 5, 2022.  Guest speakers included Dr. Jeffrey Bennett, an astronomer and well-known author who specializes in teaching science and mathematics, and our very own Autumn Rivera, Colorado Teacher of the Year and CAST President-Elect.

    Congratulations to our 2022 Awardees!

    Congratulations to our

    CAST Excellence in Science Teaching Award Winner 2022!

    Paige Kraus

    Encompass Heights Elementary

    Congratulations to our

    AVS Excellence in Science Teaching Award Winner 2022!

    Janet Krompier

    High Plains Elementary

    Colorado Science Conference 2022


    Get connected!

    Join the Colorado Science Teachers FB Group - click on the image below! 

    Did you know...

    A group of science teachers first met to organize CAST in April of 1957.  Over 100 teachers met and the dues were $1.  

    Why Join CAST? 

    Join our statewide network of science educators! As a member, you'll have access to resources for professional development, opportunities for networking, CAST-specific awards and grants, and discounts with our friends of CAST. 

    For more details or to join, view the "Membership" page 

    Friends of CAST

    Please click on any of the logos below to explore the websites of these important organizations!

    Attention - Colorado Science Organizations - If YOU would like to become a Friend of CAST, please click the link below to check out our current MOU agreement template.  If this looks appealing, then feel free to contact* a Board Member to set up an agreement OR follow the link to fill out the online form.  (*see Contact tab at the top of this page)

    CAST MOU Agreement - Online Form

    CAST is an affiliate of the National Science Teaching Association, NSTA.  

    NSTA's Home Page

    NSTA's Publications and Freebies

    For membership information: CAST Secretary

    For billing/invoice information: CAST Treasurer

    For website information:  CAST Webmaster

    Colorado Association of Science Teachers is a 501(c)6 non-profit organization

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