It makes sounds louder to increase a student's awareness to sound. This is currently the predominant method of instruction in schools for the deaf. Deaf culture, like any other, contains it's own customs, rules, and etiquette. It's language, American Sign Language is found to be the third most common language used in the United States. Remember to educate the hearing impaired child like any other.
All children have complex needs to be addressed.
A hearing aid is a helpful tool, but cannot correct hearing problems. Use a normal speech pattern when talking. Do not exaggerate mouth movements or speak loudly for it makes it more difficult for the student to lipread. Warn the students when a change will take place in the routine. Classroom expectations should be the same for the hearing impaired student as they are for all the other students.