The document discusses deafness and hard of hearing students. It defines deafness and hard of hearing, and notes their prevalence nationally and locally. The history of deaf education is reviewed, from early teachers in the 1500s-1600s to the establishment of schools in the US in the 1800s. Causes of hearing loss and the importance of deaf culture are described. Various types of assistive technology for hearing impairment are listed. The document concludes by emphasizing the importance of early identification and intervention to support language development in deaf and hard of hearing children.