Best ABA Therapy Centers in Ontario, CA (2026)

Autism Spectrum Therapies (AST) is dedicated to empowering children with autism spectrum disorder (ASD) through personalized, contemporary applied behavior analysis (ABA) therapy. Serving families for over 20 years, AST focuses on children of various ages and needs, particularly those with language-based learning disabilities and twice-exceptional profiles. The school’s mission is to foster each child's unique potential by providing tailored support that enhances language and communication skills, social interactions, and emotional resilience. Utilizing a client-centered approach, AST implements evidence-based methodologies that adapt to the individual responses of each child, whether in their home, community settings, or one of the dedicated Learning Centers. With a commitment to low student-teacher ratios and strong family partnerships, AST stands out as a leader in the field of autism treatment. The extensive expertise of its team—comprising over 30 doctoral-level clinicians and 450 behavior analysts—ensures that families receive not only local convenience but also the benefits of a national network known for clinical excellence. This combination of personalized care and professional depth makes AST a unique resource for families navigating the challenges associated with autism.