Evaluative Study of The Effectiveness of School-Based Management (SBM) implementation in SMA Negeri 2 Kuta as an evaluative research using CIPP models that aimed to describe the effectiveness of the implementation of school-based management in SMA Negeri 2 Kuta and the constraints that exist in. This research is an ex-post facto where data is collected from 63 respondents. Main data retrieved from the observation and questionnaires, and complementary data taken from the study documentation. Next the data were analyzed by using T-score, the last adjusted to the table to determine qualification Glickman effectiveness. This study is descriptive data also captured quantitatively and qualitatively. Based on the analysis of the data show that: (1) In the component context of has negative frequency (f-). (2) Input component produces a positive frequency (f +). (3) In the process component of generate positive (f +). (4) And component products generate positive frequency (f +). Due to the exposition above,it can be concluded that the school-based management(SBM) implementation in SMA Negeri 2 Kuta is significant,proved by the result of component context, input, process and product (- + + +).