Part 1. The foundation: 1. Understanding and meeting the challenge of rigor -- 2. Defining and instituting rigor -- 3. Building team leadership to support rigor -- 4. Rigor and standards for practice -- 5. Rigor related to classroom formative assessment -- 6. Rigor and the proficiency matrix -- Part 2. Issues and obstacles: 7. Issues to resolve -- 8. Obstacles to success -- Part 3. Solutions: 9. Solution Step 1: Monitoring student actions related to the practices -- 10. Solution step 2: Using classroom visit data--assessment of student actions -- 11. Solution step 3: monitoring teacher actions related to the practices -- 12. Solution step 4: Gathering and using additional data -- 13. Solutions step 5: Maintaining progress toward rigor -- Part 4: Inputs and outcomes: 14. Teaching for rigor -- 15. Coaching for rigor -- 16. Leading for rigor -- Part 5: Momentum: 17. Linking responsibilities--assessing progress.