This report is based on a study prompted by the need for improved effectiveness in the use of education resources in Uganda. Uganda's problem with increasing resource constraints for education is common in many developing countries and the lessons learned in this study may be of broad interest. Currently, Uganda allocates over 31 percent of its discretionary recurrent expenditure to education and 67 percent of this is allocated to primary education. Given increasing pressures on the budgets, there is need to implement strategies focusing on those inputs most likely to improve student learning. A major impediment to rational decision making in this area is lack of knowledge about what interventions work best and under what circumstances. Without this knowledge, Government may continue spending scarce resources on inputs that may not directly contribute to student learning achievement.