A quality preschool education plays a key role in achieving its objectives. To benefit from this effect of preschool education in a positive way, countries should investigate education systems and the educational methods and practices of other countries so as to understand the problems of education and the factors affecting it. This brings about the need to examine the indicators in regard to processes and structural elements in preschool education institutions. This paper focuses on examining the quality of preschool education classes in Turkey and in the United States comparatively. Descriptive research method was used in the research. Data were collected with ECERS-R in each three classes selected with convenience sampling from three kindergartens in Turkey and three kindergartens in the US. Total score achieved in this instrument and individual scores for seven subscales were examined. In line with the data obtained in this study, the total score of the three classes in kindergartens in the US was found to be higher than those in Turkey. As for the subscales, the classes of the kindergartens in Turkey were found to have higher scores of Language-Reasoning and Program Structure which are two subscales of the instrument. The findings were discussed in the light of the related literature.