Watkins Mill High School
Watkins Mill High School is located in Gaithersburg , an incorporated city in Montgomery County , Maryland . 
<triplet> Watkins Mill High School <subj> Gaithersburg <obj> located in the administrative territorial entity <triplet> Gaithersburg <subj> Montgomery County, Maryland <obj> located in the administrative territorial entity <triplet> Montgomery County, Maryland <subj> Gaithersburg <obj> contains administrative territorial entity