Ultrasound Tech carrer/schools?

I live in CA (riverside, inland empire area) and i want to start my carerr as a ultrasound tech. But I do not know how? I did not go to college, I want to be sure i go to the proper school, not one thats just gonna give me a certificate, Is there a good college or something i can go to? Is this a good carerr to start, I kinda just want to end up doing ultrasounds in hosptial/docs office, but i want to be sure i do it all right! please help?