The study ascertained principals’ leadership practices for successful achievement of secondary education goals in Anambra State. The study was guided by three research questions. Descriptive survey research design was adopted for the study. The population of the study comprised all the 263 principals in the state government owned schools in Anambra State. They were all used for the study. Data was collected using a 33-item researchers’ developed instrument titled “Principals Leadership Practices Questionnaire”. Data analysis was done using arithmetic mean and standard deviation to answer the research questions. The findings revealed that principals’ administrative, curriculum and disciplinary roles are the leadership practices for successful achievement of secondary education goals. Based on the findings, it was recommended among others that State Education Board should develop and equip principals in administrative, curriculum and disciplinary management skills.