How long does it take to become a bad driver? Experts say just 10 weeks and a new student can pick up “BAD HABITS”. This hits pretty close to home for me right now because my son is 15 and has his school permit. A survey shows that students forget what they learned in drivers ed in 2 weeks or less after passing their test. Women tend to reach for things in their bag while men tailgate or run red lights. If you have teen drivers, read more HERE!