Introduction: Much of which the educational systems teach are planned and explicit, but there are others , are not explicit, but unplanned and hidden. The evidence of this duality could be found in a hidden curriculum, which is called educational black box. This study’s goals were to declare the nature of hidden curriculum aspects in social educational dimensions which result from educational setting structure, social context of educational system and interaction between teacher and learner, and to reveal the inhibitive aspects of hidden curriculum.
Conclusion: As the hidden curriculum forms the dominant and pervasive aspects of educational systems, so what they teach, could be the most effective issues that a student learns in his/her educational period. So, the identification of deterrent aspects of hidden curriculum in social education of students can help to fulfill the planned and explicit aims of social education in educational systems.