1. It's Naviance.
2. It's probably a guidance counselor activity related to college and career preparation. There are probably no real consequences if he doesn't do it.
3. Teachers and colleges can't see it. When he asks for recommendations for colleges in senior year, he may be asked to provide teachers with a copy of it.
4. How does a 15 year old have such a long resume that it would take an hour to re-type it?