Benga and Kuptsov said that without knowing raw scores, they couldn't say how many children they believe should have qualified.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned

Kupstov and Benga's children qualified for the lottery, but they dug into the statistics after being unnerved by the test errors.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned

Kupstov and Benga said they started chatting on an online parents message board about the methodology after the first errors surfaced.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned