Former test administrator to plead guilty in college scam

BOSTON —
A former college entrance exam administrator has agreed to plead guilty in the college admissions bribery scheme that has ensnared wealthy parents across the U.S., federal prosecutors said Wednesday.
Niki Williams, a former employee of the Houston Independent School District, will plead guilty to accepting bribes to help rig students’ test scores, prosecutors said.
Williams, 46, was one of 50 people arrested last year in the scheme, in which authorities say undeserving kids