In all honesty, prior to 1990 when a face to face interview was a requirement the WT training was a plus; many employers were impressed with the ease of the JW candidate to communicate with others.
Today, you will get to a face interview when you are about to be hired. What will open the door for you, will be that little piece of paper. For that reason the majority of prominent elders are giving their children a College education and even "mother" is sending some of the privileged ones to get higher degrees.