State: California  
County: CONTRA COSTA   County Code: 07   Total Enrollment Reported: 28,380
District: MT. DIABLO UNIFIED   District Code: 61754   Total Number Tested: 26,289
      School Code: 0000000
 
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STAR Score Summaries Report for All Students Spring, 1999
Total All Students Tested: 26,289
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
STANFORD 9 SCORES
  Grades
  2 3 4 5 6 7 8 9 10 11
Total Reading N= 2633 N= 2742 N= 2501 N= 2536 N= 2523 N= 2489 N= 2515 N= 2268 N= 2005 N= 1543
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		55
29
58
78
583.1		 58
34
61
79
619.9		 59
33
59
81
645.4		 58
33
58
79
661.0		 57
32
58
77
668.9		 59
36
60
80
686.4		 58
29
62
82
697.8		 45
21
46
69
693.6		 42
21
45
68
698.5		 41
22
43
67
700.6
Total Math N= 2782 N= 2778 N= 2536 N= 2559 N= 2529 N= 2469 N= 2496 N= 2243 N= 2006 N= 1508
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		60
35
58
79
574.2		 60
34
59
79
604.9		 59
31
60
81
628.5		 59
35
59
79
652.4		 59
35
58
77
665.7		 59
34
56
77
680.6		 59
32
59
79
688.9		 63
38
60
81
700.4		 61
34
63
82
706.1		 57
33
56
73
709.9
Language N= 2768 N= 2770 N= 2507 N= 2557 N= 2531 N= 2411 N= 2495 N= 2291 N= 2025 N= 1560
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		59
38
59
76
592.9		 60
37
60
77
616.1		 61
34
63
82
636.0		 60
35
61
79
649.0		 57
34
58
77
652.7		 64
42
65
81
669.4		 60
34
61
81
673.7		 57
28
57
80
677.2		 47
23
49
68
679.3		 50
25
53
73
684.3
Spelling N= 2785 N= 2793 N= 2564 N= 2574 N= 2548 N= 2498 N= 2525      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		55
30
56
79
570.9		 53
24
52
76
602.4		 51
29
51
74
625.1		 53
30
53
75
643.7		 54
31
54
74
655.7		 56
33
57
79
671.0		 47
19
44
69
678.5		  
  
  
Science               N= 2280 N= 2036 N= 1509
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		 
  
  
  
  
  
  
 51
19
54
79
676.9		 57
28
60
81
687.4		 54
31
52
74
690.2
Social Science               N= 2285 N= 2027 N= 1531
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		 
  
  
  
  
  
  
 53
26
54
80
656.4		 46
23
45
70
657.4		 59
38
62
76
669.2
 
CALIFORNIA CONTENT STANDARD SCORES
 
English/Language Arts Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible		 2979
2619
44.2/ 75		 3048
2803
45.8/ 75		 2813
2558
50.3/ 90		 2828
2604
51.5/ 90		 2795
2598
52.0/ 90		 2805
2544
55.7/ 90		 2854
2546
55.4/ 90		 2909
2134
51.0/ 90		 2740
1847
53.8/ 90		 2609
1369
49.8/ 90
Mathematics Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible		 2979
2808
28.2/ 50		 3048
2888
27.8/ 50		 2813
2647
24.7/ 50		 2828
2686
22.0/ 50		 2795
2474
22.7/ 50		 2805
2392
22.3/ 50		  
 
 		  
 
 		  
 
 		 2609
1343
18.0/ 50
Number Tested-Algebra I
% of Enrollment-Algebra I
Avg. No. Correct/No. Possible-Algebra I		  
 
  
 
  
 
  
 
  
 
  
 
 13
0%
18.6/ 50		 22
1%
 19
1%
  
 
Number Tested-Integrated 1
% of Enrollment-Integrated 1
Avg. No. Correct/No. Possible-Integrated 1		  
 
  
 
  
 
  
 
  
 
  
 
 566
20%
24.2/ 50		 846
29%
 288
11%
  
 
Number Tested-Geometry
% of Enrollment-Geometry
Avg. No. Correct/No. Possible-Geometry		  
 
  
 
  
 
  
 
  
 
  
 
 2
*
*		 5
*
*		 7
*
*		  
 
Number Tested-Integrated 2
% of Enrollment-Integrated 2
Avg. No. Correct/No. Possible-Integrated 2		  
 
  
 
  
 
  
 
  
 
  
 
 2
*
*		 353
12%
29.9/ 50		 617
23%
  
 
Number Tested-Algebra II
% of Enrollment-Algebra II
Avg. No. Correct/No. Possible-Algebra II		  
 
  
 
  
 
  
 
  
 
  
 
 3
*
*		 8
*
*		 12
0%
19.4/ 50		  
 
Number Tested-Integrated 3
% of Enrollment-Integrated 3
Avg. No. Correct/No. Possible-Integrated 3		  
 
  
 
  
 
  
 
  
 
  
 
 5
*
*		 13
0%
 305
11%
26.9/ 50		  
 

STAR Score Summaries Report for Limited English Proficient Students Spring, 1999
Total Limited English Proficient Students Tested: 2,584
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
STANFORD 9 SCORES
  Grades
  2 3 4 5 6 7 8 9 10 11
Total Reading N= 318 N= 270 N= 253 N= 233 N= 216 N= 224 N= 220 N= 207 N= 177 N= 135
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		28
5
20
50
548.8		 19
1
15
34
569.9		 18
4
13
34
597.8		 16
2
7
29
613.5		 17
2
7
27
626.2		 16
4
8
31
638.4		 18
0
5
32
652.7		 11
0
2
11
650.0		 10
2
5
19
657.8		 10
0
1
22
662.1
Total Math N= 355 N= 273 N= 258 N= 241 N= 218 N= 219 N= 217 N= 203 N= 181 N= 137
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		32
10
28
54
546.3		 26
5
22
46
568.3		 26
4
20
46
594.0		 22
4
17
40
614.8		 22
6
18
35
625.8		 25
8
16
37
646.1		 25
4
14
39
654.1		 30
6
19
59
668.9		 34
8
30
63
683.1		 33
9
29
54
687.2
Language N= 351 N= 272 N= 254 N= 239 N= 218 N= 214 N= 216 N= 208 N= 193 N= 142
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		26
9
22
44
561.8		 22
5
15
37
574.8		 27
5
19
49
599.7		 22
4
17
40
609.7		 23
6
15
38
618.3		 22
6
17
42
629.4		 19
1
10
37
631.0		 22
1
11
44
640.4		 15
1
11
21
642.6		 16
1
7
32
647.9
Spelling N= 353 N= 274 N= 272 N= 242 N= 219 N= 226 N= 221      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		32
10
28
58
540.4		 24
7
20
38
567.4		 22
10
19
38
591.7		 18
4
13
32
604.4		 18
4
14
32
614.2		 19
4
13
35
628.8		 17
1
5
24
643.6		  
  
  
Science               N= 210 N= 187 N= 139
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		 
  
  
  
  
  
  
 24
1
13
48
651.9		 26
4
17
50
660.7		 23
3
13
43
663.8
Social Science               N= 210 N= 185 N= 138
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		 
  
  
  
  
  
  
 25
1
16
54
633.0		 18
2
8
34
635.0		 28
6
27
47
646.0
 
CALIFORNIA CONTENT STANDARD SCORES
 
English/Language Arts Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible		 2979
319
31.4/ 75		 3048
278
28.7/ 75		 2813
275
32.1/ 90		 2828
244
32.0/ 90		 2795
223
33.7/ 90		 2805
228
36.4/ 90		 2854
217
36.6/ 90		 2909
197
32.8/ 90		 2740
168
37.1/ 90		 2609
128
33.3/ 90
Mathematics Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible		 2979
360
21.4/ 50		 3048
283
20.3/ 50		 2813
284
17.5/ 50		 2828
258
15.7/ 50		 2795
227
15.8/ 50		 2805
237
16.3/ 50		  
 
 		  
 
 		  
 
 		 2609
121
15.4/ 50
Number Tested-Algebra I
% of Enrollment-Algebra I
Avg. No. Correct/No. Possible-Algebra I		  
 
  
 
  
 
  
 
  
 
  
 
  
 
 4
*
*		  
 
  
 
Number Tested-Integrated 1
% of Enrollment-Integrated 1
Avg. No. Correct/No. Possible-Integrated 1		  
 
  
 
  
 
  
 
  
 
  
 
 6
*
*		 47
2%
 24
1%
  
 
Number Tested-Geometry
% of Enrollment-Geometry
Avg. No. Correct/No. Possible-Geometry		  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
 1
*
*		  
 
Number Tested-Integrated 2
% of Enrollment-Integrated 2
Avg. No. Correct/No. Possible-Integrated 2		  
 
  
 
  
 
  
 
  
 
  
 
 1
*
*		 6
*
*		 35
1%
  
 
Number Tested-Algebra II
% of Enrollment-Algebra II
Avg. No. Correct/No. Possible-Algebra II		  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
 3
*
*		  
 
Number Tested-Integrated 3
% of Enrollment-Integrated 3
Avg. No. Correct/No. Possible-Integrated 3		  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
 7
*
*		  
 

STAR Score Summaries Report for Non-LEP Students Spring, 1999
Total Non-LEP Students Tested: 23,103
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
STANFORD 9 SCORES
  Grades
  2 3 4 5 6 7 8 9 10 11
Total Reading N= 2285 N= 2441 N= 2226 N= 2281 N= 2272 N= 2231 N= 2210 N= 2016 N= 1730 N= 1327
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		59
33
63
82
588.0		 63
37
66
84
625.7		 63
37
64
86
650.9		 63
36
64
85
666.1		 61
36
63
82
673.2		 64
40
65
85
691.4		 63
32
68
88
703.1		 50
23
51
75
698.6		 48
24
51
75
704.0		 47
25
48
73
705.9
Total Math N= 2397 N= 2474 N= 2254 N= 2295 N= 2279 N= 2217 N= 2201 N= 1986 N= 1719 N= 1292
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		64
39
63
83
578.4		 64
37
63
82
609.2		 63
34
65
85
632.6		 63
38
64
83
656.8		 63
39
62
81
669.9		 63
37
61
81
684.2		 63
35
64
84
693.0		 67
42
65
85
704.6		 65
38
69
85
710.2		 61
37
61
77
713.9
Language N= 2386 N= 2467 N= 2230 N= 2294 N= 2278 N= 2167 N= 2196 N= 2030 N= 1730 N= 1338
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		64
42
64
81
597.7		 65
41
65
82
620.9		 64
38
69
86
640.4		 64
38
66
83
653.5		 61
37
62
81
656.3		 68
45
70
85
673.4		 65
38
66
86
678.5		 61
31
62
84
681.6		 53
26
55
75
684.8		 56
29
60
78
689.7
Spelling N= 2401 N= 2487 N= 2269 N= 2309 N= 2295 N= 2238 N= 2222      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		59
33
61
82
575.6		 56
26
56
80
606.4		 55
32
55
79
629.2		 57
33
58
80
648.2		 58
34
58
79
660.0		 61
35
61
84
675.4		 51
21
48
75
682.5		  
  
  
Science               N= 2015 N= 1739 N= 1294
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		 
  
  
  
  
  
  
 54
21
59
83
680.0		 62
32
67
86
691.5		 59
35
58
79
694.4
Social Science               N= 2020 N= 1734 N= 1312
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score 		 
  
  
  
  
  
  
 56
29
58
83
659.3		 51
26
50
75
660.8		 64
43
67
81
673.0
 
CALIFORNIA CONTENT STANDARD SCORES
 
English/Language Arts Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible		 2979
2270
46.0/ 75		 3048
2495
47.8/ 75		 2813
2262
52.6/ 90		 2828
2337
53.7/ 90		 2795
2340
53.9/ 90		 2805
2286
57.6/ 90		 2854
2245
57.6/ 90		 2909
1895
53.1/ 90		 2740
1593
56.2/ 90		 2609
1172
52.3/ 90
Mathematics Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible		 2979
2418
29.2/ 50		 3048
2575
28.6/ 50		 2813
2341
25.6/ 50		 2828
2404
22.8/ 50		 2795
2212
23.5/ 50		 2805
2123
23.0/ 50		  
 
 		  
 
 		  
 
 		 2609
1162
18.5/ 50
Number Tested-Algebra I
% of Enrollment-Algebra I
Avg. No. Correct/No. Possible-Algebra I		  
 
  
 
  
 
  
 
  
 
  
 
 11
0%
20.5/ 50		 18
1%
 16
1%
  
 
Number Tested-Integrated 1
% of Enrollment-Integrated 1
Avg. No. Correct/No. Possible-Integrated 1		  
 
  
 
  
 
  
 
  
 
  
 
 554
19%
24.2/ 50		 787
27%
 256
9%
  
 
Number Tested-Geometry
% of Enrollment-Geometry
Avg. No. Correct/No. Possible-Geometry		  
 
  
 
  
 
  
 
  
 
  
 
 1
*
*		 5
*
*		 6
*
*		  
 
Number Tested-Integrated 2
% of Enrollment-Integrated 2
Avg. No. Correct/No. Possible-Integrated 2		  
 
  
 
  
 
  
 
  
 
  
 
 1
*
*		 346
12%
30.1/ 50		 569
21%
  
 
Number Tested-Algebra II
% of Enrollment-Algebra II
Avg. No. Correct/No. Possible-Algebra II		  
 
  
 
  
 
  
 
  
 
  
 
 3
*
*		 5
*
*		 9
*
*		  
 
Number Tested-Integrated 3
% of Enrollment-Integrated 3
Avg. No. Correct/No. Possible-Integrated 3		  
 
  
 
  
 
  
 
  
 
  
 
 5
*
*		 13
0%
 295
11%
26.9/ 50		  
 

1. NPR stands for National Percentile Rank.
2. The National Percentile Rank is based on the mean NCE score for each group.
3. Mean scaled scores for groups in counties, districts, or schools whose student scores are based on mixed numbers of days of instruction should not be used to compare the performance of one school, district, or county with another.

Reports copyright © 1999 by the California Department of Education. Scores based on normative data copyright © 1996 by Harcourt. All rights reserved.