Is FAST class only to to improve GT score? Can you take to increase let’s say ST too?

The FAST class is intended to increase a SMs GT score because that’s what everyone thinks is the most important aspect of the ASVAB in terms of job selection. What people fail to realize with the FAST class is that when you take the AFCT, you are taking a smaller version of the ASVAB, you are taking all the sections. This means that how you do on the entire test affects all aspects of your line scores.

I took the class and test in September and increased my GT from a 109 to a 119 and my ST also went to 119