You have to be a high school student to win a scholarship. Many scholarships are for undergraduate students and those no longer in school at all. There are also scholarship for graduate students. You definitely don't need to be in high school to qualify.
Yes, there are so many scholarship program after high school such as NTSE, Kishore Vaigyanik Protsahan Yojana (KVPY) The Velammal Science Talent Search Exam and many more
