The 1998 ACT High School Profile Report — National Data

Table 1: Average ACT Scores, Distributions, and Cumulative Percentiles


Numbers and Percentages of Scores in Four Intervals
Score Intervals English Mathematics Reading Science Reasoning Composite
Number % Number % Number % Number % Number %
28-36 102798 10 117923 12 168598 17 92693 9 102088 10
23-27 248683 25 227721 23 239540 24 265587 27 261527 26
18-22 330452 33 336694 34 304318 31 416780 42 382911 38
1-17 313106 31 312701 31 282583 28 219979 22 248513 25
Mean 20.4 20.8 21.4 21.1 21.0
Standard Deviation 5.4 5.1 6.0 4.6 4.7
Number of Students = 995039
 
  % = Percent at or Below
English Mathematics Reading Science Reasoning Composite
Score Number % Number % Number % Number % Number %
36 844 99 3174 99 6603 99 3834 99 71 99
35 1478 99 492 99 11451 99 1606 99 664 99
34 4159 99 3379 99 16095 98 4044 99 2141 99
33 5760 99 4895 99 13651 97 5867 99 4788 99
32 5774 99 13778 99 10967 95 2684 98 8414 99
31 8969 98 17052 97 23296 94 13090 98 13181 98
30 22797 97 23327 96 20636 92 16617 97 18937 97
29 24401 95 26697 93 23101 90 20672 95 23231 95
28 28616 93 25129 91 42798 87 24279 93 30661 93
27 42874 90 39285 88 34836 83 27830 91 37945 90
26 42254 85 45126 84 41790 80 41853 88 44878 86
25 47733 81 48641 80 41652 75 60927 84 52613 81
English Mathematics Reading Science Reasoning Composite
Score Number % Number % Number % Number % Number %
24 60064 76 45637 75 69958 71 58891 78 60173 76
23 55758 70 49032 70 51304 64 76086 72 65918 70
22 54279 65 51967 65 65746 59 78439 64 71751 63
21 65487 59 50636 60 59440 52 84468 56 76737 56
20 74552 53 70222 55 61170 46 83965 48 79750 49
19 69991 45 78189 48 72618 40 82623 39 78541 41
18 66143 38 85680 40 45344 33 87285 31 76132 33
17 62963 31 89009 31 52632 28 73355 22 67875 25
16 61395 25 84547 22 44939 23 47218 15 58848 18
15 46044 19 60989 14 38348 19 40555 10 48449 12
14 39849 14 44023 8 41665 15 21447 6 35845 7
13 33502 10 22109 3 41130 11 18637 4 22517 4
English Mathematics Reading Science Reasoning Composite
Score Number % Number % Number % Number % Number %
12 24459 7 9045 1 32507 6 8806 2 10682 2
11 20358 5 2207 1 17088 3 5864 1 3270 1
10 11711 2 544 1 8309 1 2740 1 764 1
9 7579 1 136 1 3023 1 837 1 196 1
8 3614 1 42 1 1325 1 332 1 47 1
7 1189 1 23 1 932 1 117 1 11 1
6 297 1 8 1 356 1 45 1 7 1
5 101 1 8 1 184 1 16 1 1 1
4 30 1 5 1 69 1 3 1 0 1
3 10 1 4 1 57 1 7 1 1 1
2 5 1 0 1 16 1 0 1 0 1
1 0 1 2 1 3 1 0 1 0 1

Return to the Selections from the 1998 High School Profile Report