Eighth Grade Mathematics Achievement Levels
| Location | Achievement Level | 2009 | 2011 | 2013 | 2015 | 2017 |
|---|---|---|---|---|---|---|
| United States | Below Basic | 29% | 28% | 27% | 30% | 31% |
| At or Above Basic | 71% | 72% | 73% | 70% | 69% | |
| Below Proficient | 67% | 66% | 66% | 68% | 67% | |
| At or Above Proficient | 33% | 34% | 34% | 32% | 33% | |
| Oklahoma | Below Basic | 32% | 28% | 32% | 33% | 36% |
| At or Above Basic | 68% | 72% | 68% | 67% | 64% | |
| Below Proficient | 76% | 73% | 75% | 77% | 76% | |
| At or Above Proficient | 24% | 27% | 25% | 23% | 24% |
