The first lawsuit was filed by a Muslim father because no Islamic schools were approved new voucher program. Looks like he has a good case because the school he sends his kids to should qualify.
https://www.texastribune.org/2026/03/02/texas-lawsuit-school-vouchers-muslim-parent/
https://www.texastribune.org/2026/03/02/texas-lawsuit-school-vouchers-muslim-parent/