—Not available.

†Not applicable.

#Rounds to zero.

!Interpret data with caution.

1 Data are based on universe counts of schools and school districts; therefore, these figures do not have standard errors.

2 Data for 2006 are based on universe counts of schools and school districts; therefore, these figures do not have standard errors.

NOTE: Race categories exclude persons of Hispanic ethnicity. Standard errors appear in parentheses.