Introduction : attending to math performance -- What does a great math school look like? -- Laying the foundation for a strong math culture in your school : what are the critical steps? -- Overcoming resistance and getting buy-in -- Looking at students for signs of a strong math culture -- Looking at teachers for signs of a strong math culture in the classroom -- Looking at teachers for signs of a strong math culture outside the classroom -- Monitoring and sustaining improvement -- Appendix A. Look-fors, questions, and feedback for students -- Appendix B. Look-fors, questions, and feedback for teachers in the classroom -- Appendix C. Look-fors, questions, and feedback for teachers outside the classroom.