Pediculosis capitis is one of a health problem in children that is quite common and is not resolved. Pediculosis capitis causes itching on the scalp that can affect learning and in turn students achievement. The purpose of this study was to determine the relation of Pediculus humanus capitis (P.h. capitis) infestation to students concentration and achievement in SDN 10 Bathin Solapan in Sakai T…