摘要:The purpose of this study was to examine the reliability and validity of the School Adjustment Inventory for lst grade elementary school students(SAI-1st Grade). The subjccts of this study were 624 first grade children atending 40 elermentary schools and 120 first grade teachers of G City. Data were analyzed by Factor Analysis(EFA),Confirmatory Factor Analysis(CFA),Pearson's r and Cronbach's a. Results of the test on content validity as evaluated by the first grade teachers was high. It was found that the School Adjustment Inventory for Ist graders of elementary school was a reliable and valid measure for evaluating the school adjustment of first grade students..