Comprehensive Sexuality Education (CSE) remains a vital yet highly debated area within European school systems. Its implementation is crucial for promoting public health, protecting children's rights, and creating safe, inclusive educational environments. This paper shares initial findings from the Erasmus+ project, "Spark: Igniting the confidence and capacity levels of school leaders, teachers, and parents in providing quality Comprehensive Sexuality Education (CSE) to children." The Spark project aims to address the ongoing and well-documented gap between progressive policy aspirations for CSE and its inconsistent, often fragmented, real-world application, thereby seeking to enhance the capacity of school communities to deliver systematically,  evidence-based sexuality education.

The dual aim of this paper is to present key findings from a comparative, desk-based review of the status of CSE in several European partner countries and to propose a forward-looking intervention to tackle the systemic challenges identified. First, it synthesises a cross-national analysis of policy, curriculum, and implementation landscapes, highlighting both shared obstacles and differing national paths. Second, building on this analysis, the paper advocates micro-credentials as an innovative, targeted professional development framework to address persistent gaps in teacher training and confidence that hinder effective CSE delivery across Europe.

The findings are drawn from the initial phase of the Spark project, which employed a structured narrative literature review. This approach allowed for a comprehensive synthesis of academic, policy, and grey literature from the project's partner countries: Ireland, Italy, Greece, and Cyprus. The review systematically charted the historical development, legal and curricular frameworks, teacher training provisions, and documented barriers within each national context. The cross-national review uncovers a highly varied landscape for CSE implementation. Although members of the EU, a notable divide exists between countries with established, mandatory policy frameworks, such as Ireland and Cyprus, and those where CSE remains non-institutionalised, fragmented, and politically contested, like Italy and Greece. Despite these structural differences, a consistent set of critical, recurring barriers to effective implementation emerged. These include: (1) a persistent lack of systematic, mandatory, and ongoing teacher training and professional development; (2) the absence of coherent, specific national curricula in contexts like Italy and Greece, coupled with limited pedagogical supports even where frameworks exist; (3) considerable cultural and political resistance, ranging from parental backlash and societal conservatism to organised opposition from political parties and the institutionalisation of 'anti-gender' movements; and (4) a resultant lack of teacher confidence, combined with widespread fear of backlash from parents and the community.

The implications of these findings highlight a systemic deficiency in educator capacity and confidence that cannot be addressed by policy reform alone. Innovative, scalable, and adaptable approaches to professional development are urgently needed. In this work, we explore micro-credentials as a targeted solution to upskill teachers and school leaders in delivering high-quality, evidence-based CSE. Such a framework could provide a flexible and recognised pathway for educators to develop competence and confidence in this challenging area.

The project’s overall research employs a mixed-methods design mandated by the Erasmus+ KA2 "SPARK" project structure, integrating a comparative desk-based literature review with qualitative field research. The desk-based literature review, which is the focus of this presentation, provided the foundational evidence for the project’s subsequent empirical phase, which involved focus-group discussions with key stakeholders - teachers, school leaders, and parents - to explore possible solutions. This methodological structure allows the project to move from a theoretical understanding of the "knowing" gap (through the literature review) to an empirical understanding of the barriers, to "acting" (through focus-group data collection), directly informing the design of the proposed micro-credential solution. Narrative Literature Review: The first phase involved a comprehensive narrative review of the status of CSE in Ireland, Italy, Greece, and Cyprus. A narrative approach was selected as the most suitable methodology to integrate diverse sources, including theoretical papers, empirical research, legislative documents, and grey literature, which is essential for capturing the fragmented nature of CSE policy. Search Strategy: Systematic searches were conducted in academic databases, including Scopus, Web of Science, ERIC, ProQuest, and other Education Sources, such as curricula and or legislative documents. Keywords included "Comprehensive Sexuality Education," "Relationships and Sexuality Education," "teacher training," and "parental involvement," adapted for English, Italian, and Greek languages. Inclusion Criteria: The review prioritized national policies, curricula, strategies, and academic publications from the last two decades. Particular attention was paid to "grey literature" from NGOs, Ministries, and Inspectorates, as CSE implementation is often documented outside of peer-reviewed journals. Analysis: Data were extracted to map historical milestones, the role of government, curriculum structures, and barriers to implementation. The review specifically sought to identify the "confidence and capacity levels" of stakeholders, aligning with the SPARK project's objectives.

The comparative analysis of Ireland, Italy, Greece, and Cyprus reveals a convergent crisis in European CSE: the failure to translate legal and curricular mandates into classroom reality. Whether in countries with established mandatory frameworks like Ireland and Cyprus, or those with fragmented provision like Italy and Greece, the common denominator is a workforce that feels unsupported and "inhibited". The "knowing-acting" gap is not a failure of curriculum design, but a failure of professional enablement. The findings highlight that traditional models of teacher education are insufficient. In Greece, training is non-existent; in Italy, it is costly and optional; in Ireland and Cyprus, it is inconsistent. Teachers are left to navigate complex societal debates—such as those surrounding "anti-gender" movements and digital safety—without adequate pedagogical tools. In this work, we argue that Micro-credentials represent a vital innovation for the future of CSE. By breaking down complex competencies into manageable, evidence-based learning units, micro-credentials can democratize access to high-quality training. They offer a mechanism to bypass the structural rigidities of national teacher education systems, providing educators and parents with the specific, "just-in-time" skills needed to address emerging challenges like online safety and gender-based violence. To move from "knowing" the importance of CSE to "acting" on it, educational systems must pivot toward these flexible certification models. This approach not only empowers teachers with the requisite "action-competence" but also provides a structured pathway for parental engagement, fostering a unified community approach to sexuality education that is inclusive, rights-based, and pedagogically sound.

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