Success on any examination is contingent upon student mentoring and learning effectiveness, contributing to student happiness. This problem requires researchers' attention, and the current study examines the impact of mentorship and instructional efficacy on secondary school examination (Tawjihi) success in Jordanian higher secondary schools. Additionally, the research explores the mediating function of student happiness in the mentorship, learning effectiveness, and achievement in the secondary school examination (Tawjihi) in Jordanian higher secondary schools. The research used questionnaires to collect primary data from Jordan's higher secondary schools. The current researchers used the PLS-SEM to investigate the relationship between the understudy components. The findings indicated that mentoring and instructional efficacy positively correlate with secondary school examination success (Tawjihi). Additionally, the findings indicate that student happiness significantly mediators between mentorship, learning effectiveness, and achievement on the secondary school test (Tawjihi) in Jordanian higher secondary schools.