Ramirez pleaded guilty in June to interference with a peace officer-injury and amended charges of manslaughter and sexual battery as part of a plea agreement.
Roxanne Cebelak and Brooke Grummet were pulled over on Interstate 80 after a Wyoming trooper responding to a REDDI report observed them tailgating and speeding.
Laramie County School District 1 spokeswoman Mary Quast says Alta Vista Elementary School was placed into a secure perimeter from 1:21 p.m. to 1:44 p.m.