This research investigated the Effect of Technology on English Language Learning in Public Secondary Schools in Dagoretti Sub-County, Nairobi County. The study was guided by the following objectives: To establish the extent to which technology is integrated into English language learning curriculum in public secondary schools in Dagoretti Sub-County, Nairobi County; To assess the types of technological tools used in English language learning in public secondary schools in Dagoretti Sub-County, Nairobi County; To examine the integration of technology impact on students’ proficiency in English language learning in public secondary schools in Dagoretti Sub-County, Nairobi County and To investigate challenges associated with the use of technology in English language learning in public secondary schools in Dagoretti Sub-County, Nairobi County. To achieve this objectives, the researcher adopted descriptive survey research design where she purposively selected boy’s secondary school, a girl’s secondary school and a mixed secondary school. The target population was 129, where by 121 respondents participated in the study that was 114 students out of 120 and 7 English teachers out of 9. Self- administered questionnaires for students and teachers was used to collect data while statistical programme for SPSS was used to get descriptive statistics. The study established that there was lack of technology integration into teaching methods, parents were not in favor of using technology in English language curriculum. The study established that integration of technology in English language learning correlates with students’ proficiency. The study noted that t computers were not regularly used during English lessons and there was no connection of internet in classrooms. However, the study established that integration of technology in English language learning improved speaking skills and vocabulary. The study concluded that most of the teachers were not trained in utilizing technology hence technology was not integrated into English language learning. The study recommended that the government should formulate clear policies that mandate the integration of technology into the curriculum and implement mandatory and ongoing training programme for teachers to enhance their digital literacy and proficiency in utilizing technology for teaching.