Context: University dissertations could be considered from two dimensions, namely content and structure. Research results should be reported in scientific method respecting essential of scientific writing. Purpose: The present research is conducted with the purpose of qualitative evaluation of theses written for the fulfillment of the degree of Masters in educational administration in Tarbiat Moallem University during 1380s.Method: this survey research consisted evaluation of 57 theses. Data was collected by use of a questionnaire with 96 items covering 17 categories which were assimilated in7 sections, mainly introduction, general issues, literature, method, findings, results, and references. Collection of data was based on observation by use of documents in the library of the University. Analysis of the data was made by use of descriptive statistics.Findings: The findings revealed that the total mean for seven sections in theses for the study was 3.33; Mean value for Introduction, findings, and references were 3.78, 4.22, 3.74, respectively and were considered desirable. Mean for general issues, literature, method, and results were 3.07, 3.08, 3.38, 3.19, a relatively desirable.Results: The results of the study showed that theses for Masters degrees were relatively desirable in general. The study recommends that workshops in methodology, writing skills, and continuous Evaluation of theses would lead to a quality assurance in this regard.