To reach more students with excellent instruction, multi-classroom leaders (MCLs) lead small teams of teachers, and multi-school leaders (MSLs) lead small teams of principals. MCLs and MSLs are paid more, within their schools' regular budgets, and are selected for their record of leadership and excellence in achieving high-growth student learning. They lead collaboratively, so each team member's strengths help the whole team, and everyone learns together. Schedule changes give them school-day time to collaborate with, guide, and develop their teams. Research has shown that teachers who were on average at the 50th percentile in student learning gains, who then joined small MCL teams, produced student growth matching or approaching that of excellent teachers, on average. To help all students reach their potential, district and other system leaders must ensure that every student has consistent access to excellent teaching and leadership through Multi-Classroom and Multi-School Leadership. Teachers and principals benefit from more support and career opportunities, while helping students learn more. Teachers on some MCLs' teams also extend their reach directly to more students, with extra paraprofessional support, earning more pay and making it easier for schools to schedule teacher collaboration time. Everyone learns more and has opportunities to earn more, and more professionals impact students directly. This is an Opportunity Culture for "all." This guide presents an overview and examples of Opportunity Culture career paths, with a focus on details about "teacher career" paths, including multi-classroom leaders and other roles. It also explains the basics of how schoolwide leadership career paths and residencies fit into the overall education career continuum in Opportunity Culture schools--for more details on these, see the Opportunity Culture publications on Multi-School Leadership and paid residencies. In all of these paths, teachers and principals reach more students with excellent teaching and earn more for it, within schools' budgets.