 Tseng attended Thomas Jefferson High School for Science and Technology and won numerous awards in mathematics and science.He placed 9th in the 1993 national MathCounts competition, tied for 1st place (with a perfect score) in the 1994 American High School Mathematics Exam, and qualified for the United States of America Mathematical Olympiad every year from 1994 to 1997.He was a Finalist in the 1997 Westinghouse Science Talent Search for a project titled "Development of a Fiber Optic Evanescent Wave Ion Sensor With Interchangeable Probes Adaptable for Field Application" and received official commendation from the Fairfax County School Board.