I am curious as to whether i am experiencing severe schizophrenia, psychosis, or both. i think of my life as a story and predict what happens next.

Something new: Have you experienced this before? Also would your family or friends realize there is any change or difference in you? If you are in general doing well in school, engaged with family and friends, sleeping well, and taking care of hygiene, chances are you are not psychotic. I would recommend getting an appointment with a therapist and schedule with your pediatrician for a check up.