ONESQA is established with the aims of developing the criteria and methods for external quality assessment; assessing educational achievements in order to check the quality of educational institutions, bearing in mind the objectives, principles and guidelines for educational provision at each level as stipulated in the national education law. External quality assessment of all educational institutions will be made at least once every five years since the last assessment. The assessment outcomes will be duly submitted to the agencies concerned and the general public. The missions stipulated in the Royal Decree Establishing the Office include:

Development of the external assessment system; setting of the framework, direction and methods for efficient external assessment attuned to the quality assurance system of the educational institutions and the departments to which these institutions are attached;

Development of standards and criteria for external quality assessment;

Certification of external assessors;

Supervision and setting of standards for external assessment carried out by external assessors as well as certification of the standards. In case of necessity or for the benefit of study and research for development of the external assessment system, the Office may carry out an external assessment itself;

Development and training of external assessors; preparation of the training course content; and encouraging private, professional or academic bodies to participate in the training of external assessors for greater efficiency;

Submission of an annual report on the educational quality and standard assessment to the Council of Ministers, the Minister and the agencies concerned for consideration for policy formulation and budgetary allocation for education; as well as dissemination of the report to other agencies involved and the general public