Sterling E Test PrepThousands of students use Sterling Test Prep to achieve academic success. Since 1991, Sterling Test Prep prepares students for academic success. The company publishes hundreds of study aids for high school, undergraduate, graduate, and professional sudents. 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. Read More Read Less