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Table 2. Number of public high school-level teachers and the percentage with a major and certification in their main assignment, by selected teacher and school characteristics: 2003–04

Selected teacher and school characteristic Number of teachers Major in main assignment No major in main assignment
  Total   Certified1   Not certified   Total   Certified1   Not certified   Total certified1
All teachers2 606,100   83.6   70.0   13.6   16.4   9.8   6.6   79.8
                               
Average class size                               
10 or fewer students  25,000   69.2   54.3   14.9   30.8   9.1   21.7   63.4
11–18  124,000   80.2   66.0   14.2   19.8   11.1   8.7   77.1
19–27  304,700   84.7   71.7   13.1   15.3   10.0   5.3   81.7
28 or more students  152,400   86.5   72.4   14.2   13.5   8.4   5.0   80.8
                               
Years of teaching experience                               
3 or fewer  100,000   80.1   49.0   31.1   19.9   7.3   12.6   56.3
4–9  164,000   83.1   70.7   12.3   16.9   10.4   6.6   81.1
10–19  154,100   83.6   75.0   8.6   16.4   11.1   5.3   86.1
20 or more  188,000   86.0   76.4   9.6   14.0   9.5   4.5   85.9
                               
School classification                               
Charter school  7,500   67.6   34.5   33.1   32.4   4.7   27.7   39.2
Traditional public school  598,600   83.8   70.4   13.4   16.2   9.9   6.3   80.3
                               
Community type                               
Central city  163,200   82.4   67.0   15.4   17.6   9.7   7.9   76.7
Urban fringe/large town  313,600   85.4   71.8   13.6   14.6   8.8   5.8   80.6
Rural/small town  129,400   80.9   69.4   11.5   19.1   12.3   6.8   81.7
                               
Student enrollment                               
Less than 100  11,800   68.3   48.0   20.3   31.7   9.7   21.9   57.7
100–199  20,500   76.1   59.5   16.6   23.9   11.0   12.9   70.5
200–499  87,200   80.9   67.9   13.0   19.1   11.1   8.0   79.0
500–749  70,000   83.6   70.7   12.9   16.4   10.4   6.0   81.1
750–999  57,700   85.5   71.0   14.5   14.5   10.1   4.4   81.1
1,000 or more  358,900   84.9   71.5   13.4   15.1   9.2   5.9   80.7
                               
Percent of K–12 students in school
    who are of a racial/ethnic minority3		                              
Less than 20  263,000   86.1   74.9   11.2   13.9   9.1   4.8   84.0
20 to 59.9  168,000   82.4   68.3   14.0   17.6   10.5   7.1   78.8
60 or more  174,600   81.1   64.2   16.9   18.9   10.2   8.8   74.3
                               
Percent of K–12 students in school
    who were approved for free or
    reduced-price lunches 		                              
Less than 35  353,400   86.1   73.5   12.7   13.9   8.9   5.0   82.4
35 to 49.9  112,300   81.1   68.4   12.7   18.9   11.0   7.9   79.4
50 to 74.9  78,400   79.0   64.8   14.2   21.0   13.3   7.7   78.0
75 or more  41,800   79.7   57.7   22.0   20.3   8.3   12.0   66.0
Did not participate in program  20,200   80.1   63.8   16.3   19.9   7.9   11.9   71.7
1 Teachers of art/arts or crafts, music, and dance/theater were allowed to report an ungraded or secondary-level certification.
2 "All teachers" includes the subsample of high school-level teachers (defined below) who reported a main assignment in English, mathematics, science, social science, French, German, Latin, Spanish, art/arts or crafts, music, or dance/theater.
3 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. Each main assignment includes several subfields. See the appendixes of Education and Certification Qualifications of Departmentalized Public High School-Level Teachers of Core Subjects: Evidence from the 2003–04 Schools and Staffing Survey (NCES 2008–338) for technical notes and definitions of specific subjects within main assignment fields. "Major in main assignment" columns include all teachers, regardless of whether the major was earned within or outside the school/college of education. Majors in main assignment are credited if they were earned at the bachelor's degree level or higher. "Certified" columns contain teachers with a regular/probationary certification in-subject 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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