Reading ability is essential for success in school as reading skills are utilized in all areas of academic subjects. Reading in English is an essential feature of Kenya’s education pathwayThe study investigated theinfluence of coaching behaviour modification practices on reinforcement of reading ability among learners with dyslexia in public primary schools in Kenya. The study was informed by Skinner’s theory of reinforcement. Mixed methods research design was used to find out how behaviour modification practices affected the reading ability of the learners with dyslexia. Quantitative research and qualitative research approaches were used to collect and analyze data from the learners. From the target population of 708 learners and 387 teachers, a sample size of 229 learners and 54 English language teachers were selected for the study.To obtain a sample for the study, purposive, saturation and random sampling methods were used in selection of schools, learners, teachers and school allocation to the groups respectively. Reliability of the research instruments was done by use of internal consistency technique where Cronbach’s alpha was usedand a reliability coefficient of above 0.6

Keywords : Dyslexia, coaching, behaviour modification, reading ability.