Teach Plus is a national nonprofit whose mission is to empower excellent, experienced, and diverse teachers to take leadership over key policy and practice issues that advance equity, opportunity, and student access. The Teach Plus team exists to breathe life into the Student Opportunity Mandate: All students should have the opportunity to achieve their potential in an education system defined by its commitment to equity, responsiveness to individual needs, and ability to prepare students for postsecondary success. At the heart of our work is advocacy for collective impact, beginning with classroom teachers.