There's actually many programs if your husband goes to a University. I am currently attending Weber State University for their collision repair program. Great program and they offer many more. Toyota T-Ten, Honda PACT, Ford MLR, ICAR Collison Repair, GM Repair (forgot the cool name for that...), and Independent Shop. The first two years in the Automotive Service Technology, and the next (if going for a four year degree) is Automotive Technology.
For a program like this, I hear there is only three Universities with this program. One being in Utah, one in Kansas, and one in Pensylvania. Now many colleges/universities offer a Automotive Technology 2-year degree all over the country. That'll be more than adequate for most mechanics (or soon to be). I would definitely recommend, to your husband, that he gets all the ASE Certifications to become a Master Tech. Being a Master Tech over just a mechanic is definitely worth it.
For most 2-year programs at a university typically run $2000ish a semester. Give or take depending on the school.
As well there are also technical colleges that offer a certification of completion in Automotive Technology. They are cheaper in the end, but a degree is well worth it if your husband wants to advance to more than a mechanic.