Considering that the educational curriculum is seen as a guideline for organizing and managing the goals, issues and activities of each of the subjects set out in the first instance, by national public policies, and second, by the institutions, such as those proposed by the International Baccalaureate, the present research focuses on the interest of analyzing the curricula of three educational institutions with different contexts, needs and interests to design an alternative curriculum in the areas of biology and art, for the middle and high school levels, integrating public policies and the guidelines of the International Baccalaureate. The curriculum proposed is not intended to establish an order for teaching the mentioned areas, but provides what, from the analysis of the three contexts, should be covered in the Tenth and Eleventh grades. The analysis is structured from AtlasTi qualitative research tool that provides organized categories of analysis from three large families: curriculum, strategies and educational institution.