The Sainik School Entrance Exam for Class 9 is typically conducted in January every year. However, the exact date for the 2025 exam has not been officially announced yet. To get the most up-to-date information, you should:

1. Visit the official Sainik School website : Sainik School Society (http://www.sainikschooladmission.in)
   
   
2. Check the admissions page for notifications about the exam date and other details.
   
   
3. Ensure you're aware of the application deadlines as well, as the exam dates and admission notifications may be updated.