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Among schools with students enrolled in any of grades 9–12, percentage that offered various learning opportunities and types of classroom organization, by school type and selected school characteristics: 2017–18

School type and selected
school characteristic
Dual or concurrent enrollment1   Specialized career academy2   Career and technical education courses3   Internship outside of school4   Block scheduling5  
   All schools 74.6   28.2   59.5   45.7   36.3  
                     
All public schools 82.0   37.3   74.3   56.3   38.8  
                     
School classification                    
Traditional public 82.7   39.4   77.2   57.9   38.0  
Charter school 76.9   22.0   53.3   44.4   44.0  
                     
Community type                    
City 72.6   38.7   61.5   48.3   48.0  
Suburban 80.3   42.3   72.4   61.4   42.8  
Town 82.6   35.0   82.2   64.7   36.7  
Rural 89.9   33.5   81.6   54.8   30.0  
                     
School level                    
Primary          
Middle          
High 86.3   44.9   78.5   63.6   43.9  
Combined 72.8   20.9   65.1   40.7   27.9  
                     
Student enrollment                    
Less than 100 45.2   15.3   53.3   39.1   29.6  
100–199 77.4   21.6   65.8   48.5   26.1  
200–499 87.1   34.4   75.0   53.9   36.6  
500–749 91.9   39.2   78.0   57.7   40.9  
750–999 90.5   43.0   82.3   61.3   53.0  
1,000 or more 94.1   59.3   86.5   71.4   47.6  
                     
Percent of K–12 students who were approved
for free or reduced‑price lunches
                   
0–34 84.4   40.1   75.5   62.5   42.0  
35–49 92.9   35.8   82.3   63.1   36.2  
50–74 85.4   42.0   79.3   57.5   37.3  
75 or more 70.6   31.9   64.5   45.3   38.3  
                     
All private schools 56.2   6.0   23.2   19.7   30.1  
                     
School Classification                    
Catholic 68.4   5.8   20.4   12.1   39.6  
Other religious 63.0   5.9   23.3   19.6   23.6  
Nonsectarian 38.0   6.3   24.3   23.4   37.1  
                     
Community type                    
City 54.0   6.5   21.4   18.6   35.0  
Suburban 60.9   5.3   23.8   21.5   32.6  
Town 63.7   11.8 ! 28.5   19.9   21.4  
Rural 50.2   4.3   23.0   18.6   23.2  
                     
School level                    
Elementary          
Secondary 54.9   8.1   24.5   20.9   36.5  
Combined 56.6   5.3   22.7   19.2   27.8  
                     
Student enrollment                    
Less than 100 44.8   5.6   25.6   21.8   25.0  
100–199 68.3   4.2 ! 21.7   21.9   27.7  
200–499 67.3   7.5   20.1   16.4   33.7  
500–749 60.2   4.8 ! 17.6   15.9   41.3  
750 or more 61.1   9.5   28.3   15.3   44.7  
† Not applicable.
! Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 percent and 50 percent (i.e., the standard error is at least 30 percent and less than 50 percent of the estimate).
1 Dual or concurrent enrollment that offers both high school and college credit.
2 A specialized career academy is a program that offers a set of specialized curriculum organized around a specific career area, such as automotive, business, carpentry, communications, construction, cosmetology, culinary arts, education, electricity, engineering, health, hospitality, IT, manufacturing, plumbing, protective and legal services, repair, transportation, etc.
3 If course are available to students but not part of a specialized career academy.
4 Work-based learning or internship outside of school, in which students earn course credits for supervised learning activities that occur in paid or unpaid workplace assignments.
5 Block scheduling is extended class periods scheduled to create blocks of instruction time.
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), “Public School and Private School Documentation Data Files,” 2017–18.