AP Chemistry Exam Grade distribution

| Score | _2007 | _2008 | _2009 | _2010 | _2011 | _2012 | _2013_ |
|---|---|---|---|---|---|---|---|
| 5 | 15.3% | 18.4% | 18.0% | 17.1% | 17.0% | 16.4% | 18.9% |
| 4 | 18.0% | 17.5% | 17.9% | 18.5% | 18.4% | 19.3% | 21.5% |
| 3 | 23.0% | 20.0% | 20.2% | 19.3% | 19.5% | 20.1% | 18.8% |
| 2 | 18.5% | 14.3% | 14.2% | 12.7% | 14.6% | 15.0% | 14.9% |
| 1 | 25.3% | 29.9% | 29.8% | 32.3% | 30.4% | 29.2% | 26.0% |
| Mean | 2.79 | 2.80 | 2.80 | 2.76 | 2.77 | 2.79 | 2.92 |
| Number of Students | 97136 | 100586 | 104789 | 115077 | 122651 | 132425 | 140006 |