Training science teachers to transform education? This book offers examples based on university experience that reveal how Labor Research Training (FLI) can revolutionize the training of Physics, Chemistry and Mathematics teachers in pre-university pedagogical schools. Discover: Innovative strategies for integrating research into teaching practice, turning the classroom into a space for discovery and meaningful learning. The crucial role of tutoring as a personalized accompaniment that enhances professional development and teaching vocation. The transformation of the school into a pedagogical laboratory where theory and practice merge to generate knowledge. Evaluation tools that allow the assessment of teaching performance in a comprehensive and contextualized manner. The challenges and opportunities offered by the digital era for an innovative and transformative FLI.This book is a guide for teacher educators and managers committed to the training of science teachers capable of inspiring new generations. Let's build together a quality science education for the 21st century!