Blayz is a free online marketplace that assists high school students in discovering and organizing extracurricular opportunities to enhance their college applications. The platform offers features such as email and SMS reminders for application deadlines, search and filter options based on keywords, type, location, cost, financial aid, and selectivity. Students can create a list of their favorite activities and share their findings with parents or counselors for advice. Blayz aims to connect high school students with the best resources to explore their passions and boost their chances of getting into their dream colleges.