The sample consists of randomly chosen voucher “winners,” who received the offer of a voucher, and “losers,” who were not offered a voucher.

The House vote is the voucher bill’s biggest hurdle, and it will mark the first official test of whether Gov. Greg Abbott and his allies have built enough support in the lower chamber since a ...

The House Republican budget proposal that advanced on Monday would devote $5 billion to federal vouchers for private-school tuition, home-schooling materials and for-profit virtual learning.