Open-Source Assessment for Open Education: Lessons from TAO

TAO is an open-source assessment platform designed to support a wide range of educational contexts. Its foundation on open standards makes it adaptable and interoperable, allowing institutions and governments to implement digital testing solutions that align with their local needs without dependence on proprietary technologies. The open-source model is central to TAO’s mission. By removing licensing barriers, TAO ensures equitable access to assessment tools, regardless of institutional or regional resources. Its modular design encourages collaboration, innovation, and continuous improvement across diverse educational ecosystems. TAO goes beyond open-source software; it fosters the exchange of experiences, use cases, and new ideas within the TAO open community. New insights emerging from this community through concrete and trial practices are expected to transform assessment practices, further amplifying TAO’s global impact. Real-world deployments of TAO illustrate its ability to thri