1. **State the problem:** We need to find the academic year in which public tuition rose by the largest percentage and determine that percentage. 2. **Analyze the graph:** The graph shows percentage changes in public tuition from the academic year 2000-01 to 2020-21. 3. **Identify the largest increase:** Look for the highest point on the "Public" line in the graph. 4. **From the graph, the largest percentage increase in public tuition is approximately 12% in the academic year 2007-08.** 5. **Conclusion:** Public tuition rose by the largest percent in the academic year 2007-08, by about 12%.