The incentive behind this study is to compare the KPSS 2013 test scores in terms of the achievement by teacher candidates graduating from education faculties, the major source for teaching profession, and by those who graduated from other faculties. In line with this objective, the research was carried out on ten fields, both graduates of education faculties and other faculties who took the test and are appointed to the teaching posts (Physics, Chemistry, Biology, Mathematics, History, Geography, Turkish Language and Literature, English, German, Theology and Ethics) via teaching-field proficiency test. Within this context, the study was conducted by analyzing the KPSS test scores of 94.625 candidate teachers. The findings have revealed that teacher candidates of faculties of education are significantly successful in nine fields. The findings of the study are expected to contribute markedly to the teacher education and employment in Turkey.