There is no definitive answer to this question since it depends on the student's interests and areas of focus. However, [What are the best thesis topics for a grade 11 student?](https://www.gigaarticle.com/what-are-the-best-thesis-topics-for-a-grade-11-student/) could include: -The impact of social media on teenage mental health -The rise of anxiety and depression among young adults -The link between academic pressure and mental health problems in teenagers -How to effectively manage stress and anxiety in the modern world -The correlation between sleep deprivation and mental health issues in teenagers -The importance of self-care and mental health in the lives of young adults