The purpose of this study was to consider the sociolinguistic impact of philosophical instability on reading comprehension achievement of students who are deaf and hard of hearing at a state school for the deaf. The research conducted examined the sociolinguistic impact by investigating the following: (1) what non-malleable factors influenced reading achievement in the target group, (2) what malleable factors influenced reading achievement in the target group, (3) what has been the sociolinguistic impact of philosophical instability on the reading comprehension levels of students in the target group. Evaluations of students reading achievement were obtained and analyses of malleable and non-malleable factors were considered. Strategic planning was recommended utilizing data-driven decisions. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]