Official Toefl IBT Tests - Vol. 2 (With Dvd) About the Author Educational Testing Service (ETS; Princeton, NJ) advances quality and equity in education for people worldwide by creating assessments based on rigorous research. ETS serves individuals, educational institutions, and government agencies by providing customized solutions for teacher certification, English language learning, and elementary, secondary, and postsecondary education, and by conducting education research, analysis, and policy studies. Founded as a non-profit in 1947, ETS develops, administers, and scores more than 50 million tests annually—including the TOEFL test—in more than 180 countries, at over 90,000 locations worldwide.