Signal AI and the Digital Divide in Education — Frontiers in Computer Science 2026 / Bridging the AI Divide in High School STEM in Developing Countries

Summary

Some 94% of teachers in sub-Saharan Africa report shortages of STEM teaching materials and infrastructure, per the original evidence base. Broader data corroborates severe resource constraints: roughly 80% of secondary schools in Africa lack electricity access and more than 90% lack adequately equipped science laboratories, according to World Bank and arXiv-cited figures. Only 24% of secondary school teachers are trained to use digital tools, and the region is estimated to need 15 million additional teachers by 2030 due to enrollment growth, resource shortages and high attrition. Fewer than 5% of African students pursue tertiary STEM education, and the continent needs an estimated 2.5 million more engineers to address its development challenges. Some interventions show promise: in Sierra Leone, teachers using an AI chatbot via messaging apps found it more relevant and cost-effective than web search, consuming 87% less data. The AI divide in education thus compounds a resource gap that predates it.