Stay-at-home-mom Cindy DePace was just hitting 30 when she decided to return to the work force by going back to school and becoming a teacher, the Associated Press reports. She loved working with kids, could be home in the summer with her own children and had always heard that someone with an education degree would never have trouble finding a job. Five years later, she has a degree in early childhood education and tens of thousands of dollars in student loans to repay, but no teaching job. Instead, she files records at a law firm in South Carolina’s capital…