Update: As of 2:29 p.m. Redmond Schools says:

The lockdown at Ridgeview has been lifted. We have sent a phone call to all Ridgeview families letting them know that. Students will be released via our lockdown protocol and buses will run as normal. Students were released at 2:20 p.m. We will share further information when we have it. 

From 1:42 p.m.:

Ridgeview High School in Redmond is currently in lockdown. Redmond Police are on the scene. Public Information Officer Sheila Miller says they have secured the building and called all RVHS families to let them know. In an email, Miller says, "We ask that families do not come to the school site to pick up their students. We will release more information as soon as we can."