In 2023, the Estonian NGO Head Matters translated SEL Kernels and made them available through their website. Head Matters is a leading mental health organization in Estonia. As part of their increased work in education, Head Matters selected Kernels to promote wellbeing among children and youth in schools: https://peaasi.ee/sotsiaal-emotsionaalsete-oskuste-arendamise-tuumiktegevused-ehk-ivad/