Our colleague Ashby Jones reports that U.S. Senate staff members are gathering a trove of information about legal education in the U.S., including figures on law school job placement and student-loan debt, that could serve as a backdrop to congressional hearings on the issue.

The move comes in response to questions about whether the nation's law schools have been luring students with bogus data. At least two law schools have admitted to fudging admissions data in recent months, and lawsuits filed in New York and Michigan allege...