Lei Ye is a principal research data analyst in the ETS Research Institute. She joined the organization in 2008, where she worked on the National Assessment of Educational Progress (NAEP). Her contribution includes data analysis in support of the 2009 NAEP national and state assessments in reading and math and the NAEP reading assessments from 2011 to 2024. She led the 2010, 2014, and 2018 NAEP national civics assessment, as well as 2020, 2023 and 2025 Long Term Trend (LTT) Reading assessment. She has also participated in a variety of NAEP research projects, NAEP’s transition from paper-based to digitally based assessments, and research work with ETS Presidential Appointee Rebecca Zwick including a differential item functioning (DIF) estimation study and a constrained optimization study. Several papers, from her collaboration with Rebecca Zwick and Steve Isham, were published in academic journals such as Journal of Educational Measurement and Applied Measurement in Education.
Ye graduated from the University of Massachusetts, Amherst. with an M.S. in statistics. She also holds a B.S. in information and computing from Nanjing Normal University in China.
Last updated: 2/9/2026