The research on the impact English language as a mode of Instruction to the Academic performance in Funyula division, Samia District. The study focused on how English language influences the pupils’ performance in other subjects in primary schools, classifying the different mother tongues in relation to English language towards the performance and to investigate the prevalence of the problem of language barriers in relation to the academic performance.
Using a cross-sectional survey research design, the samples employed in the study were got from the primary Schools. The researcher made use of the questionnaire technique with the aid of interviews to collect data. The data was categorized through the use of descriptive statistics with the aid of frequencies, percentages.