State: California  
County: CONTRA COSTA   County Code: 07   Total Enrollment Reported: 864
District: BYRON UNION ESD   District Code: 61663   Total Number Tested: 839
      School Code: 0000000
 
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STAR Score Summaries Report for All Students Spring, 1999
Total All Students Tested: 839
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
STANFORD 9 SCORES
  Grades
  2 3 4 5 6 7 8 9 10 11
Total Reading N= 132 N= 112 N= 119 N= 100 N= 110 N= 90 N= 114      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
56
23
62
82
590.9
55
31
54
79
622.3
57
29
59
80
645.9
50
25
48
76
653.8
54
24
53
84
666.7
52
27
54
74
681.4
64
32
69
91
705.1
 
 
 
Total Math N= 134 N= 115 N= 123 N= 100 N= 110 N= 90 N= 115      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
71
46
69
90
595.4
60
28
60
83
610.8
56
33
55
82
630.9
47
24
45
71
644.5
65
41
68
85
672.9
53
26
54
71
674.6
59
24
58
85
691.1
 
 
 
Language N= 134 N= 112 N= 123 N= 100 N= 110 N= 90 N= 114      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
55
25
60
78
593.3
54
24
55
81
612.8
56
23
59
85
633.9
53
34
51
71
642.5
55
27
58
83
650.9
60
34
60
78
666.8
65
35
73
87
680.1
 
 
 
Spelling N= 134 N= 115 N= 123 N= 100 N= 110 N= 90 N= 114      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
41
10
40
72
562.4
47
12
37
80
599.7
47
22
46
70
623.3
47
25
47
73
638.3
52
20
51
83
655.4
48
22
51
79
663.5
44
16
39
74
677.4
 
 
 
Science                    
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
 
 
 
 
 
 
 
 
 
 
Social Science                    
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
 
 
 
 
 
 
 
 
 
 
 
CALIFORNIA CONTENT STANDARD SCORES
 
English/Language Arts Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible
146
138
45.9/ 75
126
120
45.5/ 75
142
132
49.8/ 90
110
104
50.6/ 90
124
118
52.2/ 90
92
92
56.6/ 90
124
120
58.2/ 90
 
 
 
 
 
 
 
 
 
Mathematics Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible
146
140
31.3/ 50
126
125
28.2/ 50
142
136
24.8/ 50
110
105
21.7/ 50
124
117
24.6/ 50
92
92
21.8/ 50
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Algebra I
% of Enrollment-Algebra I
Avg. No. Correct/No. Possible-Algebra I
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 1
% of Enrollment-Integrated 1
Avg. No. Correct/No. Possible-Integrated 1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Geometry
% of Enrollment-Geometry
Avg. No. Correct/No. Possible-Geometry
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 2
% of Enrollment-Integrated 2
Avg. No. Correct/No. Possible-Integrated 2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Algebra II
% of Enrollment-Algebra II
Avg. No. Correct/No. Possible-Algebra II
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 3
% of Enrollment-Integrated 3
Avg. No. Correct/No. Possible-Integrated 3
 
 
 
 
 
 
 
 
 
 
 
 
1
*
*
 
 
 
 
 
 

STAR Score Summaries Report for Limited English Proficient Students Spring, 1999
Total Limited English Proficient Students Tested: 34
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
STANFORD 9 SCORES
  Grades
  2 3 4 5 6 7 8 9 10 11
Total Reading N= 6 N= 5 N= 6 N= 4 N= 1 N= 1        
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
 
Total Math N= 6 N= 5 N= 6 N= 4 N= 1 N= 1        
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
 
Language N= 6 N= 4 N= 6 N= 4 N= 1 N= 1        
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
 
Spelling N= 6 N= 5 N= 6 N= 4 N= 1 N= 1        
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
 
Science                    
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
 
 
 
 
 
 
 
 
 
 
Social Science                    
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
 
 
 
 
 
 
 
 
 
 
 
CALIFORNIA CONTENT STANDARD SCORES
 
English/Language Arts Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible
146
7
*
126
5
*
142
6
*
110
4
*
124
7
*
92
3
*
124
1
*
 
 
 
 
 
 
 
 
 
Mathematics Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible
146
7
*
126
6
*
142
6
*
110
4
*
124
7
*
92
3
*
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Algebra I
% of Enrollment-Algebra I
Avg. No. Correct/No. Possible-Algebra I
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 1
% of Enrollment-Integrated 1
Avg. No. Correct/No. Possible-Integrated 1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Geometry
% of Enrollment-Geometry
Avg. No. Correct/No. Possible-Geometry
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 2
% of Enrollment-Integrated 2
Avg. No. Correct/No. Possible-Integrated 2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Algebra II
% of Enrollment-Algebra II
Avg. No. Correct/No. Possible-Algebra II
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 3
% of Enrollment-Integrated 3
Avg. No. Correct/No. Possible-Integrated 3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

STAR Score Summaries Report for Non-LEP Students Spring, 1999
Total Non-LEP Students Tested: 431
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
STANFORD 9 SCORES
  Grades
  2 3 4 5 6 7 8 9 10 11
Total Reading N= 126 N= 106 N= 113 N= 8 N= 10 N= 10 N= 8      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
58
25
65
83
592.7
58
32
57
83
625.5
59
30
61
81
647.9
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
Total Math N= 128 N= 109 N= 117 N= 8 N= 10 N= 10 N= 8      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
72
47
71
91
597.0
62
28
62
87
612.7
57
34
57
84
632.2
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
Language N= 128 N= 107 N= 117 N= 8 N= 10 N= 10 N= 8      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
57
27
62
80
594.9
56
24
57
84
614.6
57
24
62
85
635.3
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
Spelling N= 128 N= 109 N= 117 N= 8 N= 10 N= 10 N= 8      
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
43
10
41
75
564.8
48
13
39
82
601.5
48
22
47
71
624.0
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
 
 
 
Science                    
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
 
 
 
 
 
 
 
 
 
 
Social Science                    
NPR for "Avg." Student Score
% Scoring Above 75th NPR
% Scoring At or Above 50th NPR
% Scoring Above 25th NPR
Mean Scaled Score
 
 
 
 
 
 
 
 
 
 
 
CALIFORNIA CONTENT STANDARD SCORES
 
English/Language Arts Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible
146
131
46.8/ 75
126
114
46.4/ 75
142
126
50.3/ 90
110
12
40.5/ 90
124
12
41.3/ 90
92
10
*
124
14
40.7/ 90
 
 
 
 
 
 
 
 
 
Mathematics Total
Reported Enrollment
Number Tested
Avg. No. Correct/No. Possible
146
133
31.8/ 50
126
118
28.6/ 50
142
130
25.0/ 50
110
13
16.2/ 50
124
11
18.5/ 50
92
10
*
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Algebra I
% of Enrollment-Algebra I
Avg. No. Correct/No. Possible-Algebra I
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 1
% of Enrollment-Integrated 1
Avg. No. Correct/No. Possible-Integrated 1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Geometry
% of Enrollment-Geometry
Avg. No. Correct/No. Possible-Geometry
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 2
% of Enrollment-Integrated 2
Avg. No. Correct/No. Possible-Integrated 2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Algebra II
% of Enrollment-Algebra II
Avg. No. Correct/No. Possible-Algebra II
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Number Tested-Integrated 3
% of Enrollment-Integrated 3
Avg. No. Correct/No. Possible-Integrated 3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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.