While many courses cross lines between class levels, and therefore the numbering system is not always completely consistent, the following offers a general correlation between course numbers and grade levels. Grade Level Course Number Range Master’s First-Year 6000-6499 Master’s Second-Year 6500-6999 Doctorate First-Year 7000-7499 Doctorate Second-Year 7500-7999 Doctorate Third-Year 8000-8499 Doctorate Fourth-Year 8500-8999