CAST Screening for Autism

The CAST screening, also known as the Childhood Autism Spectrum Test, is a parental questionnaire used to screen for autism spectrum traits in children aged 4–11 years. Consisting of 39 yes/no questions focused on social communication, interaction, and restricted behaviors, the test helps identify children who may benefit from further clinical assessment.
For children aged 16-30 months, please use the M-CHAT screening tool.

Get Started

Complete the form to begin the CAST screener. The screener includes 39 Yes/No questions and will take approximately 6 Minutes to complete.

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Frequently Asked Questions

Why is early screening important?
What is the CAST screening?
How is the CAST screening different from the M-CHAT-R?
How long does the CAST screening take to complete?
What does a high CAST score indicate?
Is the CAST screening used to diagnose autism?
Can teachers use the CAST screening tool?
Is the CAST screening available online?
What happens after I complete an autism screening tool?
Should I be worried if my child scores high on a screening tool?

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