This study aims to analyse the contribution of education to economic growth by utilizing Cobb-Douglas production function. In order to investigate their quantitative and qualitative impacts on economic growth, labors are classified into four categories by their level of educational attainment. The empirical results show that capital factor contributes most significantly to economic growth (approximately 46.35 percent). This is probably due to large public and private investments in recent years. Educated labors contribute positively at 39.86 percent on economic growth while uneducated labors show a negative consequence. Among educated labors, the most influential group (of 17.38 percent) is those with college education on economic with their high ability and skill. Labors with pre-primary, lower primary and upper primary schooling, or fundamental education, contribute approximately 14.32 percent to economic growth. The group is the largest among others in the employed work force. In addition, labors with secondary education contribute less to economic growth, i.e., only approximately 8.16 percent. The majority of those with fundamental level of education are in agricultural sector. They hardly see the importance of further schooling and enter the labor market almost immediately after their primary education. This results in less labors with secondary education in relation to those with primary schooling. In contrast, uneducated labors contribute negatively to economic growth of approximately 13.58 percent. Meanwhile, the aggregate sum of estimated coefficients, approximately 0.7263, implies a decreasing return to scale of production.