AB Spectrum provides personalized ABA therapy, speech therapy, autism testing, and early intervention care for children throughout St. Peters, St. Charles, O’Fallon, Cottleville, Lake St. Louis, and the greater St. Charles County region. Learn more from the CDC autism resource center.
Watch a short look inside AB Spectrum and see how our Reggio ABA approach supports child led learning, communication, play, creativity, and development for families throughout St. Peters and St. Charles County.
Our St. Peters center is a warm, multisensory environment designed to support development in communication, social-emotional growth, and independence. Our services include:
AB Spectrum serves children and families through:
AB Spectrum provides early intervention ABA therapy, speech therapy, and autism diagnostic services for children ages 18 months to 6 years old at our St. Peters Reggio ABA Clinic.
Our St. Peters clinic combines evidence based Applied Behavior Analysis ABA therapy with a child led, play based learning approach inspired by the Reggio Emilia philosophy.
Children receive individualized treatment plans developed and supervised by Board Certified Behavior Analysts BCBAs.
AB Spectrum proudly provides ABA therapy, autism testing, speech therapy, and early intervention autism services for families throughout St. Peters, St. Charles, O’Fallon, Cottleville, Lake St. Louis, Dardenne Prairie, Weldon Spring, Harvester, and surrounding Missouri communities.
Our St. Peters autism therapy center serves families throughout:
Families throughout St. Charles County choose AB Spectrum because of our collaborative approach, experienced clinical team, and child centered Reggio ABA environment designed specifically for young children with autism.
Early intervention ABA therapy often begins during toddler and preschool years. AB Spectrum specializes in working with children ages 18 months through 6 years old.
Many insurance providers cover medically necessary ABA therapy services. Our team helps families navigate insurance verification and authorizations.
Reggio ABA combines evidence based ABA therapy principles with child led, play based learning inspired by the Reggio Emilia educational philosophy.
Yes. Our St. Peters location offers speech therapy services alongside ABA therapy and autism diagnostic evaluations.
Families can contact AB Spectrum to schedule an intake call, verify insurance coverage, and learn more about ABA therapy, speech therapy, and autism diagnostic services.
Children don’t just participate—they lead. Our model integrates ABA with the Reggio Emilia approach to give children agency through painting, building, storytelling, and other expressive languages.
ReggioABA merges scientific rigor with creativity. Every goal is rooted in ABA principles and delivered in a way that honors each child’s curiosity, strengths, and developmental rhythm.
We document progress through real-time data collection and make learning visible—tracking behavior, communication, social skills, and academic readiness.
You’re part of the team. Families participate in planning, progress reviews, and home strategies to ensure continuity and empowerment beyond the clinic.
Each child has a personalized learning path that supports behavior goals, builds confidence, and promotes lasting developmental gains—not just compliance, but transformation.