Schools had originally categorized these students as withdrawing to home-school, which would have left them out of graduation rates. But it’s unclear whether they ever continued their education.

Indiana will review over 100 schools to try to stem the tide of students who leave without diplomas but are not counted as dropping out.

Nearly 3,700 Indiana students who were expected to graduate in 2019 left high school without diplomas but didn’t affect graduation rates because they were labeled as leaving to home-school.