You must supply your own car for your driving test. The vehicle must be in good working condition and safe to drive. Before you begin your test, the examiner will check that your car has two license plates, working brake lights, good tires, an emergency parking brake, front signal and back signal lights that are working, two rear view mirrors and a windshield without cracks.
Experiences of the road test will differ depending on your mood, personality, etc. You should expect the driving exam to test your ability to drive safely, accurately and efficiently. Your examiner will first ask to see your instruction permit and proof of vehicle insurance. If you are under 18, your instructor will also ask to see your driver education and driver's training completion certificate.
The driving exam or road test is most difficult for those who are not prepapred. It may also be difficult if you are nervous or anxious on the test day. The test lasts 20 minutes approximately. Try to remain calm, remember what you have learned and apply the knowledge you have learned.
For your CA road test you should know how to handle a vehicle safely. You should know how to pull off smoothly, back up safely, accelerate and brake steadily, drive on the freeway, drive through intersections, parallel park, change lanes and more.
You may practice anywhere. Generally, you want to practice on familiar streets before you try new and less familiar areas. If you're interested in driving schools, there are plenty available. Just make sure those schools offer behind the wheel training.