The United States Student Association (USSA), the country's oldest and largest national student-led organization, develops current and future leaders and amplifies the student voice at the local, state, and national levels by mobilizing grassroots power to win concrete victories on student issues. The United States Student Association Foundation (USSAF) ensures the pipeline of effective student leadership by facilitating education, training and other development opportunities at national, state, and local levels in advocating for issues that affect students.