Most reports find that parents in choice programs define educational excellence in terms of a combination of factors; the most important are safety, discipline, and instructional quality.
Here are the links to both reports:
- More Than Grades: How Choice Boosts Parental Involvement and Benefits Children by Philip Vassallo: www.cato.org/pubs/pas/pa383.pdf
- Lessons from Maine: Education Vouchers for Students since 1873 by Frank Heller: ww.cato.org/pubs/briefs/bp66.pdf