School quality was sometimes used as a code phrase to communicate the racial makeup of a neighborhood, and there have been complaints filed under the Fair Housing Act about the practice[0]. A lot of real estate agents took the lesson that they just shouldn’t talk about schools.
What OP is describing would be legal if it used something like standardized test scores to rank schools but would be a different story if it used something like the John Birch Society’s subjective national school rankings.
What OP is describing would be legal if it used something like standardized test scores to rank schools but would be a different story if it used something like the John Birch Society’s subjective national school rankings.
[0]: https://www.baltimoresun.com/bs-mtblog-2009-07-what_a_real_e...