Penelitian bertujuan untuk mengetahui pengaruh (1) kualifikasi pendidikan terhadap profesionalisme guru, (2) sikap inovatif terhadap profesionalisme guru, (3) etos kerja terhadap profesionalisme guru, dan (4) pengaruh kualifikasi pendidikan, sikap inovatif dan etos kerja secara simultan terhadap profesionalisme guru IPS SMP di Kabupaten Gowa. Penelitian ini merupakan penelitian kausal-komparatif yang bersifat ex post facto. Penelitian menggunakan populasi sebesar 119 orang guru IPS. Pengumpulan data menggunakan kuesioner. Teknik analisis data menggunakan regresi linear berganda dengan. Hasil penelitian menunjukkan bahwa: (1) terdapat pengaruh kualifikasi pendidikan terhadap profesionalisme guru, (2) terdapat pengaruh pengaruh sikap inovatif terhadap profesionalisme guru, (3) terdapat pengaruh pengaruh etos kerja terhadap profesionalisme guru, dan (4) terdapat pengaruh pengaruh kualifikasi pendidikan, sikap inovatif dan etos kerja secara simultan terhadap profesionalisme guru IPS SMP di Kabupaten Gowa.Kata kunci: profesionalisme guru, kualifikasi pendidikan, sikap inovatif, etos kerja FACTORS DETERMINATION PROFESSIONALISM OF TEACHERAbstractThe study aimed to know the effect of (1) the educational qualifications of the professionalism of teachers, (2) innovative attitude towards professionalism of teachers, (3) the work ethic in the professionalism of teachers, and (4) the effect of educational qualifications, innovative attitude and work ethic simultaneously in the professionalism of teachers IPS SMP in Gowa. Population on this study was 119 junior high social studies teacher in Gowa. Collected data using questionnaire. Data analysis was using multiple linear regression. The results of this study showed: (1) there were significant educational qualifications in the professionalism of teachers, (2) there were significant influences innovative attitude towards professionalism of teachers, (3) there were significant effect of the work ethic in the professionalism of teachers, and (4) there were significant effect of educational qualifications, innovative attitude and work ethic simultaneously in the professionalism of junior high social studies teacher in Gowa.Keywords: professionalism of teachers, educational qualifications, innovative attitude, work ethic