Table 2: ACT Subscores, Distributions, and Cumulative Percentiles

Usage/Mechanics Rhetorical Skills Social Studies/Science Arts/Literature
Sub Score
NumberPercent at or Below NumberPercent at or Below NumberPercent at or Below NumberPercent at or Below
18 14319 99 4029 99 17087 99 30441 99
17 25415 99 17601 99 35635 98 48227 97
16 43812 96 33343 98 57902 95 62738 92
15 61285 92 54301 95 47854 89 73968 86
14 61894 86 66357 89 82004 84 91263 79
13 80324 80 87110 83 66059 76 80346 70
12 70252 72 123052 74 77744 70 89758 62
11 103763 65 115527 62 124535 62 77882 53
10 111036 55 133898 51 131683 50 96855 46
9 102431 44 144221 38 104707 37 82103 36
8 105440 34 95796 24 100426 27 64161 28
7 85960 23 62087 14 66365 17 80590 22
6 57928 15 42804 8 48538 11 54705 14
5 49618 9 22802 4 30870 6 47854 8
4 28276 4 11874 2 16002 3 24196 4
3 12953 2 3430 1 8008 1 10629 1
2 4045 1 739 1 2575 1 2698 1
1 302 1 82 1 1059 1 639 1
Average 10.2 10.6 10.7 11.0
Standard Deviation 3.5 2.9 3.4 3.8

Pre/Elem Algebra Alg/Crd-Geom Pln Geom/Trig
Sub Score
NumberPercent at or Below NumberPercent at or Below NumberPercent at or Below
18 31606 99 10839 99 9856 99
17 37367 97 694899 861 99
16 39472 93 16788 98 40940 99
15 61684 89 30836 97 49231 95
14 71321 83 66534 94 73322 90
13 111758 76 79291 87 90943 83
12 86682 65 92998 79 98728 74
11 78673 57 131114 70 12113764
10 119681 49 124002 57 165894 52
9 111419 37 187776 45 114195 36
8 9250226 103889 27 138851 25
7 86813 17 75783 16 39712 11
6 49095 9 37314 9 37652 7
5 24819 4 20995 5 12583 4
4 9884 2 25215 3 10197 2
3 5327 1 3953 1 8668 1
2 810 1 2234 1 3354 1
1 140 1 2544 1 2929 1
Average 10.9 10.1 10.6
Standard Deviation 3.4 2.9 2.9
Number of students =1019053

Return to the 1999 ACT National Score Report Index