For Class 8, there are several competitive exams and olympiads that help students strengthen concepts and improve problem-solving skills. Some popular options include the National Science Olympiad (NSO) and International Mathematics Olympiad (IMO), which test science and maths fundamentals. Students can also appear for exams like the Unified International English Olympiad (UIEO), National Level Science Talent Search Examination (NLSTSE), and International General Knowledge Olympiad (IGKO). Those interested in computers can consider cyber or coding olympiads conducted for school students. Most of these exams are open to Class 8 and conducted annually through schools or individual registrations. They are good for building confidence, subject knowledge and early competitive exposure.