- **Greater OC CHADD (Children and Adults with Attention-Deficit/Hyperactivity Disorders) offers support, resources and schedule of informational meetings locally.
- NAMI (National Alliance on Mental Illness) – ADHD is the most commonly diagnosed mental disorder of children. NAMI Orange County conducts educational programs, meetings and support groups throughout the entire county addressing every aspect of mental health.
- National Resource Center on ADHD serves as a national clearinghouse for the latest evidence-based information on ADHD.
- UC Irvine Health Child Development School provides an educational environment structured for success for children with ADHD and related conditions.