Only you can know when you are ready to take the TX permit test. Before the test, make sure you're familiar with all of these topics: common risks and dangers on the road, responding to accidents, driving in various districts, right of way rules and DUI laws.
It's a good idea to read the entire manual. The permit test will cover the entire driver's manual. To be the most prepared for the exam and to give you the best chance of passing, you want to be familiar with the manual.
Yes. It's a very good idea to study for your permit test as this is the best way to ensure that you will pass. Though there are quite a few questions where you can use common sense, a few questions on the exam require more advanced knowledge.
You need to either enroll in a state approved program or take a parent-taught course. You must complete 32 hours of classroom instruction, 7 hours of in-car instruction and 20 hours of behind-the-wheel training, 10 of which must be completed at night.