This paper investigated achieving education objectives in public secondary schools in Oyo West Local Government Area of Oyo State: By adopting the Policies Advocacy Approach. A descriptive survey research design was adopted. The population of the study was all teachers in public secondary schools in Oyo West Local Government Area of Oyo State. The study sampled out ten public secondary schools through simple random sampling technique. In each school, fifteen teachers were randomly selected. A total of 150 respondents were selected. The research instrument adopted was a self-developed questionnaire titled “Education Policy Advocacy and Implementation Questionnaire (EPAIQ)”. Reliability of the instrument was carried out and coefficient of 0.85 was obtained using alpha Cronbach. Also, Pearson’s Product Moment Correlation analysis as used to analyse the two hypotheses at 0.05 level of significance. The findings revealed that there was significant relationship between education policy advocacy and education policy implementation among teachers in public secondary schools (r = 0.473; df = 120; at p < 0.05). Also, there was significant relationship between education policy advocacy and achievement of educational objectives in public secondary schools (r = 0.40; df = 118 at p < 0.05). It was therefore recommended that citizen participation should be encouraged, decision-making at all levels of government and the creation of positive change for people and their environment should encouraged and need for awareness among stakeholders.