You can create an account free on NCSA. That will give you the ability to search schools by division, location, major, and academic selectivity. While not perfectly accurate, that search is a good place to start. You will not find a lot of d2 and d3 high academic options on the west coast for...
There are no d3 softball teams between Texas and CA/OR/WA. There are only two conferences in CA/OR/WA so a single west coast region would not work. I do wonder how much the NCFA poll is used in selection vs. the NCAA regional rankings.