%X The purpose of this study was to discover some effective efforts to increase Teacher’s performance by researching the relationship between variables related to it, which are Teacher’s Self-Concept, Teamwork and Visionary Leadership as an independent variable and Teacher’s Performance as the dependent variable. The research involved samples of 187 Vocational Teachers which were selected by proporsional random sampling of 6 Sub District in Serang city, Banten; meanwhile the hypothesis test is conducted on 0,05 significance level. Research using Sequental Explanatory Design methode. The study concluded that there is a positive relationship strengthened by the results of qualitative research with Teacher’s performance in a row according to the strongest correlation were Teacher’s Self-Concept (ry1 = 0.789, ρ %I Universitas Pakuan %D 2019 %A Urip Henus Surawardhana %A Soewarto Hardhienata %A Rita Retnowati %L eprintsunpak59 %T Analisis Sequential Explanatory Kinerja Guru SMK Se-Kota Serang ditinjau dari Hubungan Konsep Diri, Teamwork dan Kepemimpinan Visioner (Studi Empiris Menggunakan Sequential Explanatory dan Analisis SITOREM pada Guru SMK Negeri di Kota Serang Provinsi Banten)