In the 2012 administration, 2,177 students took the exam, with a mean score of 3.64.

In the 2012 administration, 360,608 students took the exam, with a mean score of 2.80.

In the 2012 administration, 19,769 students took the exam, with a mean score of 3.47.

In the 2012 administration 16,188 students took the exam with a mean score of 3.18.

In the 2012 administration 23,591 students took the exam with a mean score of 3.28.

In the 2012 administration 3,840 students took the exam with a mean score of 3.00.

Recent research has linked high family incomes to higher mean scores.

In the 2012 administration 129,674 students took the exam, with a mean score of 3.36.

In the 2012 administration, 17,919 students took the exam, with a mean score of 2.85.

In the 2012 administration, 1,806 students took the exam, with a mean score of 3.37.