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School start time: Average private K–12 school start time and percentage distribution of private school start time, by affiliation: 2020–21

    Percentage distribution of start times
Affliliation Average start time   Before 7:30 a.m.   7:30 a.m. to 7:59 a.m.   8:00 a.m. to 8:29 a.m.   8:30 a.m. to 8:59 a.m.   9:00 a.m. or later  
All private schools 8:
Catholic, Parochial 7:594.3!41.544.46.5!
Catholic, Diocesan 7:582.1!!
Catholic, Private 8:0620.264.611.0!
Baptist 8:1111.6!58.227.3
Jewish 8:2219.027.631.519.4
Lutheran 8:1015.667.116.8
Seventh-Day Adventist 8:0585.9
All Other Religious 8:168.953.831.05.9
Non-sectarian, Regular 8:1511.
Non-sectarian, Special Emphasis 8:246.8!37.741.812.7
Non-sectarian, Special Education 8:2743.934.619.3
! 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. Either there are too few cases for a reliable analysis, or 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).
NOTE: Data are weighted estimates of the population. Detail may not sum to totals because of rounding.
SOURCE: U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), "Private School Data File," 2020–21.