| Level I-A | Kindergarten through Grade Four | |
| Level I-B | Grade Five and Six | |
| Level II | Grades Seven, Eight and Nine | |
| Level III | Grades Ten, Eleven and Twelve | |
| Level IV | High School Graduates |
| Superior | 95 - 100 | |
| Excellent | 88 - 94 | |
| Very Good | 81 - 87 | |
| Good | 75 - 80 | |
| Pass | 70 - 74 | |
| Fail | Below 70 |