Discussion on the main cause of poor performance in English as a second language in Kenyan context. Down the years, English language has not been performing too well compared to its sister subjects Kiswahili both when spoken out here officially and in national examination cases, though both of them are second languages learnt by most of the Kenya students and all the students in the public high schools in Kenya since it is compulsory. English language has been performing poorly because of a number of reasons that have been affecting the students and sometimes the teachers. Below is a discussion on those factors. Inadequate Learning materials or resources in schools such as textbooks, limited library spaces for reading and doing research. As we all know among the theories of second language acquisition is under monitor theory is a hypothesis by the name input hypothesis which imply that for an effective and easy learning of a second language, the learner should be expo...