It's time now for Ask An Expert. Every weekday at 9:20 AM on KCBS we're giving you direct access to top experts in various fields.

Today, California has the 30th best public education system in the country, according to a new WalletHub study. So what factors affect California's public school ranking?

To answer those questions and more, KCBS Radio anchor Margie Shafer spoke with Pedro Noguera, Dean of the USC Rossier School of Education and Professor of Education at the Graduate School of Education and Information Studies at UCLA.