Education and special education systems AAC (Augmentative and Alternative Communication) systems Cultural responsiveness and sensitivity Documentation and report writing AAC devices and speech-generating technology High schools Public elementary schools Preschool-aged children School-aged children Adolescents Speech sound disorders (articulation, phonology) Language disorders (receptive and expressive language delays/disorders) Autism spectrum disorder (ASD) Stuttering and fluency disorders Social communication/pragmatic language disorders Developmental disabilities (e.g., Down syndrome, intellectual disabilities)