What is TSA? The Technology Student Association (TSA) is the only student organization devoted exclusively to the needs of technology education students who are presently enrolled in, or have completed, technology education courses. It is composed of over 200,00 middle, high school and vocational students, in 2,000 schools/chapters spanning 45 states and two foreign countries.. TSA is supported by educators, parents and business leaders who believe in the need for a technologically literate society and are working to achieve that goal.