The objectives of this research were to synthesize the results of assessment and analyze strengths, weaknesses that should be developed from the results of the third round of quality assessment in the higher education level of Rajabhat University cluster. The target group of the research consisted of 40 reports of the third round of external quality assessment B.E. 2554-2558 (2011-2015) in higher education of the Rajabhat University cluster. Secondary data were obtained from the external quality assessment reports. The data were analyzed using frequency, percentage and the mean. The results were as follows: 1) The synthesis of the results of the third round of external quality assessment of Rajabhat Universities showed that all of the 40 universities had been accredited, with the overall quality in the good level (Mean = 4.22). Three universities (7.50%) were in the very good level and 37 universities (92.50%) were in the good level. 2) The strengths of Rajabhat universities were on the Aspects of Academic Services to Society and Preservation of Art and Culture. The weaknesses that should be developed were on the Aspect of Research and Creative Work.