Sterling Test Prep

Since 1991, Sterling Test Prep prepares students for academic success. Sterling Test Prep publishes more than 140 study aids for high school, undergraduate, graduate, and professional students. Our writers, contributors, and editors are highly educated in sciences and humanities, with extensive classroom teaching and research experience. They are experts on preparing students for standardized tests, as well as undergraduate and graduate admissions coaching. Sterling Test Prep supports environmental organizations committed to conservation, research, and preservation of vital natural resources. Your purchase helps support global environmental organizations so they can continue their critical missions.