The First Year , Harvard University, 1998. We find that charter schools do affect the behavior of traditional public schools and school districts. The difference is both substantively and statistically significant. Private school students are more likely to be sitting in racially heterogeneous groups than public school students. A Study of Racial Integration in Public and Private School Lunchrooms , August 1998, p. 13.
Difference is significant.
The First Year , Harvard University, 1999.