The evolution of the Chilean public budget in education in the present millennium is exposed, attending to its relevance as a key component of development, and inquiring about what this means in reference to the evolution of the country's Gross Domestic Product (GDP), as well as the public budget. -total audience. The annual budget items are systematized, updated, before some key milestones of the educational policies of the period studied. The main results show significant increases in the budget, even above GDP growth, and also in the social demands in this field. However, it is estimated that some major examinations must be carried out, since it is not possible to continue with a sector budget that grows unlimitedly, but also to it requires other forms of budget allocation that involve structural change. The findings show the importance of advancing in these matters to support those strategic policies that Chile does not satisfactorily resolve: social segmentation of the school system, social inequality, and low quality of educational results.