Connecting, supporting, and empowering science educators

throughout Colorado.



CAST is excited to support the NSTA National Conference
in Denver, March 20-23, 2024!

CAST MEMBERS PAY THE NSTA REGISTRATION PRICE!

Register HERE!




For the NSTA Travel Grant application:

sign in, then click on the Members tab

Applications are open now!

Want to attend the NSTA conference for free?

Check out this opportunity from Northup Grumman: Scaling Up for STEM!

Applications open January 2024

**The Colorado Science Conference will be held:

  • Oct 25, 2024 (Fri) at CSU- Spur in Denver. 






Congratulations to Autumn Rivera, CAST President-Elect

Association for Middle Level EducationTeacher of the Year!



Get connected!


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

Important Posted Links

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 

Platinum Partner

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



Western Museum of Mining & Industry





Colorado Gators Reptile Park


History Colorado logo


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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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