31.   But he said he had his first beer in sixth grade and became more involved with alcohol over the next few years.

32.   But even here, as if pulled by internal magnets, black and white children begin to separate at sixth grade.

33.   But programs that started in the sixth grade have seen more dropouts, more deaths from gang violence, and slower high school completion rates.

34.   But those capricious word problems surely were invented to ensure that innocent children like myself were doomed to permanent residence in sixth grade.

35.   But, as if pulled by internal magnets, black and white children begin to separate at sixth grade.

36.   By the time the sixth grade rolled around I was older and wiser.

37.   By sixth grade, he said, he was lost.

38.   By sixth grade, it was plain.

39.   By sixth grade, it was understood that they were an item.

40.   By the sixth grade, he knew he would be a pilot.