Gov. Greg Abbott says every child in Texas should have the freedom to go to private school. In states that already have broad eligibility for vouchers or ESAs, most of the students that use the program were already enrolled in — and able to afford — private school before state funds were diverted to pay for their tuition.Gov. Greg Abbott says every child in Texas should have the freedom to go to private school. In states that already have broad eligibility for vouchers or ESAs, most of the students that use the program were already enrolled in — and able to afford — private school before state funds were diverted to pay for their tuition.