"I like the way Higher Rock makes economics understandable by providing clear written text, entertaining videos, and instructive interactive exercises."
"Mr. Lindenmuth made economics interesting by bringing real world examples to the classroom."
"I love the videos- students helping students to learn!"
"I love the Scripture lessons!"
"The Higher Rock lessons have been presented in an easy-to-understand format, with the information in each lesson being very relevant and extremely helpful in furthering my knowledge of economics. I appreciate that the lessons are straightforward and are explained in terms that are accessible for people with varying levels of exposure to economics."
"Bill, we would like to thank you for your continued support of Cresset Christian Academy. In 1998, you recognized the need for offering economics to Cresset high school students. You volunteered to teach the subject, and since have dedicated your time and money to seeing the program grow."