Dissertation (MSc Statistics)This study focused on O level performance of students in Dodoma. The study employed mixture research design whereby a total of 294 respondents from seven schools in Dodoma municipal were involved. Data were collected through printed questionnaires and documentary reviews. Tables, bar charts, line chart and logit model were used to analyze data collected through Microsoft office excel 2013 version and SPSS IBM 21. The main findings of this study indicated that among many other factors leading Form IV students in Dodoma to perform better in their national examination and get selected to study form five are private schools, hostels, libraries, sufficient teachers, teachers’ competence and using subject language during learning. The study recommends that the Government and other educational stakeholders should create conducive climate that facilitates learning such as making sure hostels are available in schools including those that have high enrolment. Governments should also employ teachers immediately after schooling. Government and Private Schools owner should have on job training for their teachers’ capacity building. Government should also propose a policy that can make teachers use relevant subject language during teaching.