The bill would have required transgender students to use school facilities that match their biological sex at birth, even if it differed from their gender identity.
School police have faced extra scrutiny from civil rights groups for acquiring weapons from the U.S. Department of Defense's 1033 surplus program.
Gov. Dennis Daugaard has until March 1 to decide if he will sign the bill, which would create the first state-level restrictions on which restrooms and locker rooms transgender students use at school. Celebrities like Caitlyn Jenner and Laverne Cox have urged him to veto it.
Parsing through studies of 54 interventions at the primary school level, researchers from the University of Groningen, in the Netherlands, examined four different methods for improving classroom management.
The two new initiatives are part of the "Every Student, Every Day" campaign begun under President Barack Obama last year to bolster attendance.
Only black freshmen were invited to the program, which was part of court-ordered desegregation efforts, the Arkansas school district said. The ACLU of Arkansas said it unfairly singled out students by race.
Questions about school discipline on college applications compound the effects of discriminatory discipline policies and practices at the K-12 level, the Lawyers' Committee for Civil Rights Under Law said.
If Gov. Dennis Daugaard signs the bill, South Dakota will be the first to create state-level restrictions on how schools treat transgender students, which could put its schools at odds with the U.S. Department of Education's interpretation of civil rights laws.
The bill would have prohibited school-based disorderly conduct arrests for students 14 and younger.
Two students died in a shooting at a high school in Glendale, Ariz., Friday morning.