Leadership styles play an important role and position in pedagogical activities and school effectiveness because they play a major role in the learning process. The current study looked at the relationship between teacher leadership styles (including democratic, autocratic, transformational and transactional) and student academic achievement at the university level. Head of the Departments of Social Sciences and Master degree students made up the study population. Twenty-nine Heads of Departments (HODs) and two hundred and six students from five public sector universities in Khyber Pakhtukhawa were selected through simple random and stratified (proportionate) sampling techniques. Data was collected through a questionnaire, the reliability co-efficient of which was 0.72 and 0.82 for HODs and students respectively. The data collected was analyzed using Mean, Standard Deviation and Pearson Correlation. The study results indicate that teacher leadership styles are strongly linked to student academic success