A growing focus of workforce development efforts are linkages to K-12 in and out-of-school time programs that spark curiosity in STEAM. A cross-section of organizations from the non-profit, commercial and government sector who have used high interest content to build and scale programs in the US and beyond will share lessons learned and perspectives. Topics include building community and youth voice in design, engaging the entire STEM ecosystem, supporting educators and stakeholders in implementation, along with lessons on evaluation and metrics.