Abstract: Down syndrome ( D S) in Learners cause many challenges including health problems, hearing Impairments and learning disabilities, including those affecting communication. However, with use of proper resources, strategies, early intervention and enough time they may improve on their academic performance. This paper aimed at analyzing academic achievement of learners with Down syndrome in special primary schools in Kiambu county. The sample of the study consisted of 6 head teachers, 74 teachers and 147 parents from the six special primary schools for learners with intellectual disability in kiambu county.