A training institution specifically for officers, usually in the military or law enforcement.

अधिकारियों का प्रशिक्षण स्कूल

English Usage: He graduated from the officers training school at the top of his class.

Hindi Usage: वह अधिकारियों के प्रशिक्षण स्कूल से अपनी कक्षा में अव्वल आया।