North Middle School in Rapid City was placed in secured status for just under two hours Tuesday as local law enforcement investigated a potential security threat.

Valerie Nefzger, principal at Rapid Valley Elementary School, will be the new North Middle School principal next school year.

Rapid City Area Schools received an award for completing a project at North Middle School and maintaining sustainable aspects.

North Middle School - 35 is a public school located in Rapid City, SD, which is in a small city setting. The student population of North Middle School - 35 is 513 and the school serves 6-8.

North Middle School is a public school located in Sioux City, IA, which is in a fringe rural setting. The student population of North Middle School is 1,224 and the school serves 6-8.

An alleged threat of violence at Portage North Middle School was found to be not credible, according to Portage Public Schools Thursday.