This document on educational planning and management deals mainly with the issue of the economics of education, especially in its aspect of financing education systems in developing countries. It is a guide to quantitative methods and simulation techniques; a tool for projecting and analyzing the feasibility of educational policies in the medium and long term. It allows educational planners and administrators to make a serious and rigorous estimate of educational needs over several years based on an uncompromising diagnosis. These simulation models and the analyses that result from them make it possible to make good strategic choices and appropriate targeting of measures to reform education systems with a view to achieving quality education and success for all.