This paper estimates the return on investment (ROI) of the Pathways to Prevention Project’s Communication Program. The program was an enriched preschool curriculum delivered over two years as part of a broader developmental crime prevention initiative with four-year-old children, their families, and local preschools in an economically disadvantaged urban Queensland community. Results show that for every dollar spent, the Communication Program generated an average return of 7.65 in savings (2024 Australian dollars) from avoided court-adjudicated youth offending. The Pathways to Prevention Project is the first Australian early-in-life crime prevention initiative to present scientifically persuasive evidence for effectiveness in reducing the probability of onset of serious youth offending, offering a counternarrative to prevailing expensive youth justice policies centered on child accountability and harsh punishments.