Soon after Dennis Kass started teaching history at a small high school in Little Village four years ago, he put his law degree to use, dispensing free legal advice to students and their families after school, the New York Times reports. That modest beginning has evolved into the Chicago Law and Education Foundation, a free clinic that has now expanded to eight additional city high schools. Mr. Kass, 35, estimated that he handled about 100 legal cases last year and said the foundation had helped thousands of people by distributing brochures and answering questions at open houses. The foundation is based at Mr. Kass’s own school, Infinity Math, Science and Technology High School [1], one of four high schools that are part of the Little Village Lawndale High School campus. The location makes sense, Mr. Kass said, because public schools were an ideal place to provide legal services to low-income families…