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Percentage of private school principals and teachers who are at least 65 years old, by selected school characteristics and affiliation: 2017–18

Selected school characteristic and affiliation Principals who are at least 65 years old   Teachers who are at least 65 years old  
   All private schools 14.6   7.2  
School classification        
Catholic15.4   7.9  
Other religious14.0    
Nonsectarian 14.6    
Community type        
City17.5   7.5  
Suburban14.9   7.2  
Town16.0   7.0  
Rural9.0   6.5  
School level        
Elementary13.7   6.9  
Secondary15.2   8.0  
Student enrollment        
Less than 10013.6    
100–19914.5   6.8  
200–49916.7   7.8  
500–74915.6   7.3  
Catholic, Parochial18.6   10.6  
Catholic, Diocesan12.0   7.2  
Catholic, Private 19.1   6.4  
Baptist 14.0 ! 12.6  
Lutheran19.1 !  
Seventh-Day Adventist23.4 ! 14.3 !
All Other Religious13.2    
Non-sectarian, Regular    
Non-sectarian, Special Emphasis13.0   5.3  
Non-sectarian, Special Education13.5   3.4 !
! 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).
‡ Reporting standards not met. The coefficient of variation (CV) for this estimate is 50 percent or greater (i.e., the standard error is 50 percent or more of the estimate) or the response rate is below 50 percent.
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), "Private School Principal and Private School Teacher Data Files," 2017–18.