This study was conducted to determine the level of implementation of government assistance to private schools and its impact on the performance administrators and secondary school in the Philippines.This study pursued the hypothesis that there is no significant relationship between level of implementation of GASTPE through the Education Service Contracting (ESC) and performance of administrators and secondary schools. The level of implementation was measures in terms of frequency of orientation, conferences conducted continuous certification of ESC participating schools, number of training programs conducted and number of research and evaluation studies on ESC conducted. The performance of administrators was measured in terms of general admission,leadership, personnel and academic program management. Statistical test revealed that no significant relationship exists between the two variables. In view of the findings the following recommendations are offered: The need for the conduct of recertification on time to address the need of the school; the schools need to strengthen its training program for the faculty; the administrators need to conduct research and evaluation on ESC; school need to revisit their instructional program if they are aligned to DepEd; schools need to conduct a survey among its students tofind out the factors that may affect their academic performance.