Join the ABC Family in Highlands Ranch, CO for the best ABA Therapy! Our Highlands Ranch ABA Therapy center works with early learners and school-age children on the Autism Spectrum. Applied Behavior Analysis (ABA) therapy is known as the most effective treatment for the signs and symptoms associated with Autism Spectrum Disorder (ASD). At Action Behavior Centers, we believe a strong focus on high clinical quality and individualized treatment goals is critical for each child’s success.