Well basically at the conventions every other talk was about someone giving up college to pioneer, and my Dad told me that he wouldnt help me in anyway if I chose college, plus the fact that they had everyone convinced that Armageddon was just around the corner, so you can see it was kinda hard to get into the mood for college when you were to be destroyed in a couple of years anyway. As far as i remember the WT Society never expressly forbid college but they made it very hard on the children, and besides why would the WT have to forbid college in their publications if all the JW simply chose not to send their kids to school, in other words they go the parents to do their dirty work for them without having to put their restrictions in print.
There were several articles over the years where they did not exactly forbid college but worded it in a way that the parents would not send their kids to school.
Dave