2008 AMC8 Report for all schools in California
Number of schools returning results 201
Average of school highest score 20.49
Average school team score 55.21
# of State Student Participants 14442
Overall State Average Score 11.94
Average Score by Grade level
Grade # of Students Average
5th 261 9.94
6th 2458 10.57
7th 4734 11.69
8th 6617 12.68
Number of Female Students 6620
Average Score of Female Students 11.33
Average Female Scores by Grade
Grade # of Students Average
5th 105 8.92
6th 1093 10.03
7th 2195 11.10
8th 3156 12.03
Number of Male Participants 7432
Average Score of Male Participants 12.45
Average score for Males by Grade
Grade # of Students Average
5th 150 10.53
6th 1327 10.97
7th 2480 12.20
8th 3371 13.31
2008 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 31 4 35
24 55 17 75
23 77 22 104
22 107 27 138
21 145 49 201
20 155 77 239
19 220 110 339
18 262 158 433
17 342 200 553
16 401 279 707
15 478 361 870
14 527 440 1001
13 583 549 1161
12 686 679 1397
11 662 672 1368
10 667 702 1407
9 584 683 1299
8 482 581 1085
7 381 442 844
6 255 280 550
5 183 156 346
4 96 76 178
3 32 33 67
2 9 15 24
1 4 2 6
0 (@) 0 0 1
0 ($) 8 6 14
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2008 American Mathematics Contest 8
Number of Students by Grade
Achieving indicated Score
SCORE 5th Grade 6th Grade 7th Grade 8th Grade
25 0 2 11 22
24 0 1 20 52
23 1 3 28 69
22 2 12 33 85
21 4 15 49 125
20 1 28 75 128
19 5 39 98 187
18 5 45 132 238
17 5 44 175 319
16 10 68 240 360
15 15 106 252 467
14 12 135 313 514
13 8 168 377 589
12 17 231 463 659
11 16 223 470 626
10 21 283 467 593
9 22 257 461 529
8 27 279 359 401
7 25 229 283 286
6 26 116 212 185
5 16 100 114 107
4 16 43 61 51
3 5 16 27 16
2 1 8 10 2
1 0 2 1 2
0(@) 1 5 3 5
0($) 0 0 0 0
(@) These students attempted some of the problems
($) These students attempted none of the problems
Note: Some students failed to indicate a grade
2008 American Mathematics Contest 8
Number of Schools with 3+ students
Achieving team Scores
SCORE school count
75 2
74 2
73 5
72 6
71 3
70 7
69 12
68 2
67 10
66 7
65 2
64 5
63 7
62 7
61 9
60 1
59 9
58 8
57 6
56 8
55 4
54 5
53 2
52 6
51 5
50 6
49 4
48 3
47 3
46 3
45 4
44 2
43 5
42 3
41 1
40 4
39 3
37 3
36 1
33 1
32 1
24 1
Table of Item Difficulty for the 2008
American Mathematics Contest 8
Tabulation of responses by 14442 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.43 92.54* 4.15 1.69 0.06 0.12 0.01
2 66.53* 12.16 4.74 12.32 3.43 0.79 0.03
3 77.21* 5.66 1.94 2.78 12.17 0.18 0.07
4 5.45 12.55 67.85* 9.70 3.02 1.38 0.05
5 3.92 7.88 6.90 12.39 67.37* 1.41 0.12
6 23.29 13.60 1.56 60.06* 1.19 0.28 0.01
7 2.94 4.07 5.12 12.72 74.11* 0.93 0.10
8 4.18 2.15 7.08 84.59* 1.65 0.34 0.01
9 4.44 2.31 3.17 33.44* 55.95 0.59 0.10
10 38.70 5.90 8.81 41.62* 3.95 0.98 0.03
11 77.12* 11.21 6.16 1.77 2.78 0.89 0.06
12 10.50 22.77 34.49* 18.91* 12.06* 1.19 0.08
13 4.41 9.08 48.71* 10.55 23.87 3.23 0.15
14 24.05 20.23 27.21* 6.54 20.83 1.03 0.10
15 13.61 41.39* 19.56 13.73 7.24 4.38 0.09
16 16.92 16.79 16.47 40.15* 6.91 2.64 0.12
17 18.45 20.90 16.99 31.42* 7.72 4.39 0.13
18 18.17 16.32 18.35 12.30 30.26* 4.42 0.17
19 33.71 24.12* 11.37 17.83 8.50 4.29 0.17
20 15.72 25.02* 30.64 11.88 10.43 6.15 0.17
21 30.40 19.35 25.75* 14.16 3.82 6.35 0.16
22 23.34* 19.46 17.93 19.17 11.99 7.83 0.28
23 10.10 20.18 24.55* 24.74 11.11 9.12 0.21
24 25.45 18.48 23.74* 12.15 11.09 8.93 0.16
25 21.02* 17.26 18.99 15.59 18.01 8.99 0.13
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem