Goldstar Learning is an educational technology company that specializes in the development of assessment and data management solutions for K-12 schools. Their flagship product, Mastery Manager, is a comprehensive online platform designed to facilitate the creation, administration, and analysis of assessments. The tool enables educators to track student performance effectively, helping to identify learning gaps and improve instructional strategies. Mastery Manager offers a variety of features including customizable assessments, data reporting, and integration with other educational systems, aimed at enhancing student learning outcomes.