The purposes of this study are to find out the significant effect of: (1) EEA on strategy implementation, (2) IEA on strategy implementation, (3) EEA on study program performance, (4) IEA on study program performance, and (5) strategy implementation on study program performance of Vocational High School (VHS) in Nias Archipelago. The population of this study is all of the leaders of Study Program at VHS in Nias Archipelago as many as 255 people. The samples, consisting of 154 heads of Study Program, were selected by using the formula of Isaac and Michael. The distribution of samples size were made by using proportional random sampling. Data was collected by using the closed-ended questionnaire. The data was analyzed by using the descriptive analysis and path analysis. There are direct effect of EEA & IEA on strategy implementation with the value of path coefficient sequentially 0.305; 0.338. There are direct effect of EEA, IEA, & strategy implementation on study program performance with the value of path coefficient sequentially 0.178; 0.207; 0.383. The test is done by using the level of significancy at a = 0.05, df = 154.