The "500 Years of Chicano History" is a relatively new program, meticulously crafted by and for the vibrant Latino community of Southern Arizona, and represents a groundbreaking educational initiative tailored for both secondary and college-level history courses. Its inception stems from a profound commitment to enriching instructional content by infusing it with authentic lived experiences and localized perspectives that resonate deeply with Latino students, families, and communities across the region. Spearheaded by Amistades, a community-driven organization dedicated to fostering cultural understanding and empowerment, this curriculum undergoes rigorous validation, testing, and refinement to ensure its seamless integration into the educational landscape of high schools and colleges. At its core, the curriculum embarks on a compelling exploration of Chicano history spanning five centuries, meticulously chronicling the dynamic journey of Mexican Americans and their enduring contributions to the social, economic, cultural, and political tapestry of the region. It offers a multifaceted lens through which students can engage with the rich historical narrative, delving into the nuanced complexities of Arizona's past within its socio-cultural context. Collaborating closely with esteemed partners such as the University of Arizona Mexican American Studies Department and select Tucson Unified School District (TUSD) high schools, Amistades orchestrates a comprehensive testing phase involving approximately 120 9th and 10th grade students alongside 4-6 dedicated educators. These efforts are not merely confined to the classroom; they extend to the broader educational community, aiming to foster a deeper understanding and appreciation of Chicano history among both students and educators alike. Supported by the generous funding provided by the Southwestern Foundation for Education and Historical Preservation, this ambitious project sets its sights on long-term objectives. These include the development of robust assessment tools, comprehensive project summaries, and targeted staff development resources designed to empower educators with the necessary tools to effectively integrate Chicano history into their day-to-day teaching practices. Furthermore, the project envisions an array of engaging community presentations, designed to spark meaningful dialogues and foster a sense of cultural pride and heritage among local residents. Looking ahead, securing additional funding remains paramount, with aspirations to further expand and enrich the "500 Years of Chicano History" curriculum, ensuring its enduring impact on future generations of students and educators alike.