The aim of this study is to analyze the effectiveness of the primary schools depending on "parents" dimension according to the perceptions of administrator and teacher in terms of different variables. It employed descriptive survey model. Data was collected through effective school questionnaire with the aim of determining the perceptions of school administrators and teachers working in primary schools in Erzurum. 155 school administrators and 616 teachers were selected through simple random sampling method and the obtained data was analyzed through arithmetic mean t-test, one-way analysis of variance (ANOVA). The data revealed that the school administrators and teachers expressed parents had a medium-level contribution to the effectiveness of primary schools. It is likely to state that school administrators and teachers in different duty stations and professional seniorities had different opinions about the attitudes of parents related to the effectiveness of schools while school administrators and teachers had similar opinions.