The Teen Drivers Ed. Course includes the State Required 32 hours of Online Classroom Instruction and 14 hours of In-Car Driving Instruction (7hrs behind the wheel/7hrs of  observation), and the road test. Also required by law are an additional 30 hours of driving instruction administered by parent(s) and/or guardian(s). Teens are eligible for TDE at the ages of 15-17. The State of Texas does require all teens to hold their permit for a minimum of 6 months (and must be 16 yrs old) before they can take the road test.