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Table 5. Number of public high school-level teachers with a main assignment in science and the percentage with a major and certification in science, by selected teacher and school characteristics: 2003–04

Major in science No major in science
Selected teacher and
school characteristic
Number of science teachers Total Certified in science Not certified in science Total Certified in science   Not certified in science   Total certified in science
 
All teachers with a science
 main assignment1
106,100 87.2 71.7 15.5   12.8 8.3   4.5   80.0
                       
Average class size                       
10 or fewer students  3,200 69.1 58.8 10.3   30.9 5.0 ! 25.8   63.9
11–18  20,400 87.8 71.7 16.0   12.2 6.3   6.0   78.0
19–27  58,200 88.2 72.9 15.3   11.8 8.2   3.6   81.1
28 or more students  24,400 86.5 70.6 15.9   13.5 10.8   2.7   81.4
                       
Years of teaching experience                       
3 or fewer  19,900 90.4 47.0 43.4   9.6 3.0   6.6   50.0
4–9  27,100 86.6 74.4 12.2   13.4 9.2   4.2   83.6
10–19  29,100 85.3 78.0 7.3   14.7 9.7   5.0   87.7
20 or more  30,000 87.4 79.5 7.9   12.6 9.8   2.8   89.3
                       
School classification                       
Charter school  1,400 81.3 41.2 40.2   18.7 1.7 ! 17.0   42.8
Traditional public school  104,700 87.3 72.1 15.1   12.7 8.4   4.3   80.5
                       
Community type                       
Central city  29,200 87.6 68.6 19.0   12.4 7.3   5.1   75.9
Urban fringe/large town  55,800 88.7 74.0 14.7   11.3 7.4   3.8   81.4
Rural/small town  21,000 82.4 69.9 12.5   17.6 12.1   5.5   82.0
                       
Student enrollment                       
Less than 100  2,300 61.1 53.3 7.8   38.9 19.8 ! 19.2   73.0
100–199  2,900 70.8 60.6 10.3   29.2 10.0   19.2   70.6
200–499  12,900 85.4 71.0 14.4   14.6 10.8   3.8   81.8
500–749  12,900 90.6 74.5 16.1   9.4 6.7   2.6   81.3
750–999  9,700 91.1 77.5 13.6   8.9 5.9   3.0 ! 83.4
1,000 or more  65,400 87.9 71.6 16.3   12.1 8.0   4.1   79.6
                       
Percent of K–12 students in school
    who are of a racial/ethnic minority2
                     
Less than 20  45,600 89.5 77.1 12.4   10.5 7.7   2.8   84.8
20 to 59.9  30,300 86.5 69.8 16.7   13.5 7.6   5.9   77.4
60 or more  30,000 84.3 65.3 19.0   15.7 10.1   5.7   75.3
                       
Percent of K–12 students in school
    who were approved for free or
    reduced-price lunches 
                     
Less than 35  62,700 89.1 75.0 14.2   10.9 7.3   3.5   82.3
35 to 49.9  18,900 84.0 72.1 11.9   16.0 9.9   6.1   82.0
50 to 74.9  13,600 84.0 62.4 21.6   16.0 12.4   3.6   74.8
75 or more  7,500 83.4 59.1 24.4   16.6 7.6   8.9   66.7
Did not participate in program  3,500 89.6 74.7 14.9   10.4 2.6 ! 7.8 ! 77.3
! Interpret data with caution. The standard error for this estimate is equal to 50 percent or more of the estimate's value.
1 "All teachers with a science main assignment" includes the subsample of high school-level teachers who reported a main assignment in science (general), biology/life sciences, chemistry, Earth sciences, integrated science, physical science, or physics.
2 Minority enrollment data are collected at the school level and placed on the teacher file. In cases where the sampled school did not respond, data were imputed from the Common Core of Data (CCD). In some cases, CCD data were not available for the school's minority enrollment. A very small number of teachers from these schools are missing data for this variable.
NOTE: Teachers include traditional public and public charter teachers who taught departmentalized classes to students in any of grades 10–12, or grade 9 and no grade lower. Included in the "Major in science" columns are all teachers, regardless of whether the major was earned within or outside the school/college of education. Majors in science are credited if they were earned at the bachelor's degree level or higher. "Certified in science" columns contain teachers with a regular/probationary certification in science and at the secondary level. Detail may not sum to totals because of rounding.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), "Public School Teacher Data File," 2003–04.


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