Professional Development

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The focus of this initiative is to support highly qualified personnel across the state in serving students with combined hearing and vision loss. Building capacity of personnel will support the recognition, training, and certification of teachers, para-educators, interveners, related service providers, and others working with children who are deaf-blind.


The National Center on Deaf-Blindness, through data collection activities, defines Interveners, as individuals who provide access to information and communication and facilitate the development of social and emotional well-being for children who are deaf-blind. In educational* environments, intervener services are provided by an individual, typically a paraeducator, who has received specialized training in deaf-blindness and the process of intervention. An intervener provides consistent one-to-one support to a student who is deaf-blind (age 3 through 21) throughout the instructional day.