2 0 2 http://hadatac.org/ont/chear#HHEducationLevel Head of Household's Education Level 'Head of Household's Education Level' SubClassOf 'Education' http://hadatac.org/ont/chear#HHEducationGrade Head of Household's Education Grade 'Head of Household's Education Grade' SubClassOf 'Education Grade' 'Head of Household's Education Grade' SubClassOf 'Head of Household's Education Level' http://hadatac.org/ont/chear#HHEducationLevel Head of Household's Education Level 'Head of Household's Education Level' SubClassOf 'Education' http://hadatac.org/ont/chear#HHEducationGrade Head of Household's Education Grade 'Head of Household's Education Grade' SubClassOf 'Education Grade' 'Head of Household's Education Grade' SubClassOf 'Head of Household's Education Level'