Highline Public Schools GS7ADEVSTF Event Staff Page 2 of 3 Criminal Background Clearance All certificates, licenses, endorsements, permits, and vaccines (absent exemption) as required for this position by state and local authorities. CONTEXT AND WHO WE ARE: Highline Public Schools serves students and families in the communities of Burien, Des Moines, Normandy Park, SeaTac and White Center in Washington state.