Dublin Unified School District | 1,536 followers on LinkedIn. Education That Inspires Lifelong Learning | The Dublin Unified School District (DUSD) serves over 12,300 students, from preschool through adult education, in a diverse suburban environment. The district is comprised of seven elementary schools, two middle schools, one K-8 school, one continuation high school, and one comprehensive high school. The Dublin Unified School District mission is to educate every student to become a lifelong learner by providing a safe and supportive environment that fosters collective responsibility for each student’s success.