Education is an influential instrument for financial and political change in the world. So it is important to provide access and enhance quality of education at various phases of learning. Secondary level of Education is the most crucial stage of learning. It is the turning point for the students. The substantial number of taught labor in Pakistan is accessible at this stage. Procurement of access and perfection of quality of this stage is key for improvement in higher stage of learning, which is the soul result of quality of teachers and the support given to them. The main purpose of the study was to examine the impact of private secondary schools on quality and access of education in Khyber Pakhtunkhwa (Pakistan). The major objectives of the study were (1) To identify the role of private education sector. (2) To find out impact of private sector education in terms of Access and Quality. (3) To suggest measures for the improvement of private education sector. All private Secondary Schools, the Principals of these schools, the teachers and students of these institutions were included as Population of the study. Khyber Pakhtunkhwa is for the most part partitioned in three distinctive strata which are North, Central, and South. Ten districts of Khyber Pakhtunkhwa were selected for the dissertation. The names of the districts were Abbotabad, Peshawar, kohat, Karak, Dera Ismail khan, Lakki Marwat, Mardan, Swat,Charsaddah and Mansehra. The sample was selected randomly. A sample of 120 private secondary schools and the principals of these schools, 600 teachers (five teachers from each sample school) and 1200 students (ten students from each sample school) was randomly selected. The proportion of male and female students and teachers was fifty each. Three questionnaires (for principals, teachers and students) were developed and disseminated for data collection. Collected data were tabularized, examined and interpreted. Then statistical tools such as mean, standard deviation, standard error of mean and estimated population mean were applied. Based on the conclusions some suggestions were given to provide students with the support systems to help them succeed at these institutions. Continuous planning, support and development are needed to develop the worth of education. Use of audio-visual aids is recommended to make the process of learning effective. Proper physical facilities may be offered by all private educational institutions for access and quality of education.