If you are looking for content related to the famous TV competition:

If you need to generate a schoolchild's voice for a video or project:

If you want to make your voice sound like a child's during games (like Roblox or CS:GO) or calls, you can use specialized software:

: A lightweight, free tool that works system-wide to modify your microphone output. 2. AI Voice Generators (Text-to-Speech)

There is no single official program called "Golos Shkolnika" (Voice of a Schoolchild) available for download. Based on common search intents for this phrase, you are likely looking for one of the following: 1. Voice Changers (Prank/Game Tools)