I suspect there is no evidence I could provide that you'd accept that school segregation still exist and that school vouchers exacerbate the problem. Discrimination hasn't been allowed since 1954. Do you think vouchers finally accomplished what nothing else have. My state of Florida is happily segregating schools, as well as allowing the removal of LGBTQ students, especially the transgender.

https://www.epi.org/blog/state-and-local-experience-proves-school-vouchers-are-a-failed-policy-that-must-be-opposed-as-voucher-expansion-bills-gain-momentum-look-to-public-school-advocates-for-guidance/

https://www.wfla.com/news/hillsborough-county/hillsborough-county-private-christian-school-asks-gay-transgender-students-to-leave/