Using 1990 Census microdata, we explore ethnic, racial, and immigrant diffe
rences in private school attendance. We find high rates of private school a
ttendance among white natives, white immigrants, and Asian natives, In cont
rast, we find low private school rates among black and Hispanic natives and
immigrants. Asian immigrants, and other natives. Variations in income per
capita and especially parental education account for over 70% of the gap in
private school attendance rates between white natives and all other groups
. We discuss ramifications for racial, language, and socioeconomic segregat
ion in America's schools and possible effects of school vouchers on segrega
tion. (C) 2001 Academic Press.