This study was conducted to investigate the benefits of sign language for deaf students. The study was descriptive in nature and teachers of deaf were the sample of the study selected by using simple random sampling technique. A total number of 40 teachers of deaf from four schools were the participants of the study. For the purpose of collecting specific information, a structured questionnaire was developed on the basis of 5-Point Likert Scale. Collected data was tabulated and analyzed by using descriptive and inferential statistics. The study revealed that sign language is beneficial instrument for the deaf students in classroom learning.