At-risk students at the Career Success charter school district have been exposed to teaching methods that have ties to the Church of Scientology, according to former teachers and administrators.

The U.S. Department of Education's Inspector General has criticized the state education departments of Florida, California, and Arizona for failing to properly track if charter schools meet federal regulations, and how they spend government money.

Arizona teachers are preparing for changes in their classroom this fall. It’s part of a multi-year process aimed at changing the way children are taught. They’re called Common Core Standards.