The document discusses strategies for using the Chamilo learning platform in secondary schools in Spain. It describes a government program that provides equipment and training to help teachers implement constructivist learning strategies using Chamilo, including problem-based learning, project-based learning, and webquests. Examples are given of how Chamilo has been used for student projects integrating multiple subjects. Chamilo's wiki and ease of use are highlighted as enabling collaborative work. The presentation aims to demonstrate how Chamilo supports innovative teaching approaches.