Welcome to CAST!

The Colorado Association of Science Teachers' goal is to support, stimulate, and improve science education for students of all ages in Colorado. Please keep in touch with CAST through this website and the social media listed below.  


Colorado Science Conference

November 14, 2020


to the WINNER of our October, 2020 Classroom Materials Drawing! 

Sam Long  from Region I opted to purchase an online technology tool.

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.  

       CAST MEMBERS...


📌 Make sure to check out all the Professional Development Opportunities and CAST award winners.

📌 Love free things?  Check out NSTA's free resources.  


2019 CAST Constitution and By-Laws 


CAST Board Ramblings

  • Please log in to view CAST Board Ramblings!

Why Join CAST? 

You'll find lots of reasons to 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 

👏  A very special thank you to Cherie Wyatt 

         for managing the CAST Facebook 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 Template

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 website information/email blasts:  CAST Webmaster

For billing/invoice information: CAST Treasurer

For membership information: CAST Secretary  

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

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