You and your driver trainer are together for the whole JD Truck Training Centre period and you will work as hard or easy as that particular trainer does. That may not be too appealing to some and it isn't really too much fun. The good thing is that it is over so quickly and then you'll be on your own. Make the best of this training and you'll be fine.
How many hours driving are required in the course? Make sure this does not include sitting in the passenger seat! You need plenty of experience driving and handling a big rig.
Truck driving school was a challenge but I did it. I have to tell you that when I got out there in the real world to start making money there was a lot of stuff that they didn't teach me. I went right through the school of hard knocks.
Ride to survive - Be seen and not hit. You aren't as big as a Mack truck, Hr licence SA but you can attract attention. Wear bright clothing, use your headlight and bright-colored fairings, select a lane and a position to be seen, avoid rapid lane changes, and keep looking around; you don't need surprises.
"Eddie, you gotta start training that dog." This was from the other twin, 'Agatha', dressed like Arabelle, the chunky one. All three were tall blonde blue-eyed good looking women in their early thirties Viking Queens he HR Truck Licence used to call them in college where they all met.
Now that you know how much it costs for tuition, you should also consider other costs like financing, room and board or hotel stays, transportation to the school, amenities etc. Be conscious of the numbers game. It might be $5000 for one school all-inclusive and $4000 for another but you still have to pay for hotel. That makes them the same. So you really have to evaluate the schools and do your due diligence.
In any case, CDL training in the yard might consist of spending hour upon hour practicing highly specific maneuvers on a course with cones and lines. Or it might be spent learning how to shift and turn and control your speed. It could even be something in between. It's all a matter which state you're in.