Upper secondary education in Lithuania stands out internationally with one of the highest attainment rates across OECD countries. Yet the country and its young people receive relatively modest returns in terms of learning outcomes for the country's high rates of upper secondary completion. To address this issue, Lithuania is currently undertaking a series of reforms at the upper secondary education level. This report explores how Lithuania, and its young people can achieve higher returns on its investment in upper secondary education and provides Lithuania with policy recommendations to help improve it by strengthening vocational education pathways and by consolidating upper secondary certification.