37-question autism spectrum screening for children (parent-report)
The CAST is a validated screening tool completed by parents to identify children aged 4-11 who should be referred for comprehensive autism spectrum assessment. It covers social interaction, communication, and behavioral patterns.
Clinically Validated
This assessment uses a scientifically validated screening tool
Secure & Private
Your responses are encrypted and stored securely
Never Lose Progress
Your answers save as you go - pick up where you left off anytime
GP-Shareable Results
Download results as a PDF to share with your healthcare provider
What to Expect:
This is NOT a diagnosis:
This is a screening tool to help identify symptoms. Only a qualified healthcare provider can make a clinical diagnosis. Please discuss results with your GP.
Retake Policy:
You can retake this assessment every 180 days to track changes over time.
Need immediate help?
If you're experiencing a mental health crisis, please contact: