School Vouchers - As introduced, requires private schools that participate in the education savings account program or the individualized education account program, or that enroll recipients of an education freedom scholarship, to publish various items on the school's website; requires such private schools to ensure educators hold a valid license to teach and are evaluated in the same manner as public school teachers; requires students participating in any such program to be administered various assessments; requires the department of education to assign a school letter grade to such private schools. - Amends TCA Title 49.