What does speech sound like to deaf and hard of hearing children? Do deaf children hear anything?

Some deaf children do in fact have no measurable hearing, but most children have some degree of residual or remaining hearing. Every child is unique in the sounds he or she can hear and his or her ability to understand them. No two children are alike. Two children who perform similarly on their hearing tests may understand or use sounds in very different ways. It is important never to assume how a student should or will communicate because of hearing test results.

Whether a student can use his or her hearing to understand speech or recognize sounds in the environment is influenced by many factors, including:

Read more at Understanding Hearing Ability.