A total of 165 children from a school for the deaf in Malaysia were screened to find out the prevalence of additional conductive hearing loss. Otological examination, tympanometry and pure tone audiometry were performed in all these children. Fifty-one children (30.9%) had additional conductive hearing loss. Middle ear disorders were present in 15 children (9.09%). The deaf children seldom complain about the change in their hearing sensitivity, so there is a need for regular otological examination in deaf children to detect the additional conductive hearing loss.