15 years old is still relatively young, so it is recommended to continue studying. If you decide not to go to school, you can consider the following technical learning directions:

Computer related technologies: Computer technology is a very popular industry at present, and with the advent of the digital age, the demand for computer technology is increasing. You can learn computer programming, network security, data analysis and other related technologies.

design technology: design technology is also one of the hottest industries at present, including graphic design, 3D design and interior design. You can learn related software, tools and technologies, such as Adobe Creative Suite, Sketch, AutoCAD and so on.

Cooking technology: Cooking is a very practical technology, and many people like delicious food. You can learn some basic cooking techniques, such as western cooking and Chinese cooking, and you can also learn some knowledge of catering management and marketing.

marketing technology: marketing technology is also one of the hottest industries at present, including marketing, advertising planning, online marketing, etc. You can learn related software and tools, such as market research tools, data analysis tools, social media management, etc.

e-commerce technology: with the development of e-commerce industry, e-commerce technology has attracted more and more attention. You can learn related software and tools, such as the operation, management and maintenance of e-commerce platform.

In short, you need to consider your own interests, abilities and career planning when choosing the technology learning direction. You can choose the direction that suits you according to your own situation, and constantly improve your ability and skills in the learning process.