There has been a growing tendency to use humanistic and utopian goals in the naming and framing of education policies. The case of the Happiness Education Policy (HEP) in South Korea is illustrative and demonstrates the potential of such framing, combined with references to external authorities, to neutralise domestic opposition and generate support from diverse national stakeholders. The HEP focuses on nurturing 'happy human capital' for the future through education initiatives such as the Free Semester/Year Initiative, character education, STEAM-based curriculum, and software education. Through an analysis of a corpus of policy documents and press releases, this article demonstrates how happiness, as a floating signifier, has been redefined in ways that align and support the different sociotechnical imaginaries envisioned by political regimes over the past decade which depart from its humanistic focus.