Originally Posted by Elfwreck
Teenagers are not qualified to make decisions that are going to shape the entire rest of their lives. That's why we don't give them the right to vote, sign contracts, choose their own health care, or pick what classes to attend. Any teacher who tells a student in all seriousness, "well, you're free to decide [x] and ruin your life thereby" is cheating that child out of the guidance they were hired to provide.
At 18, you can be drafted and sent to war to kill people. But you don't have the right to have a beer until you reach 21. That's just ass backwards and so wrong.