Yes, H4 visa holders can study in the US in any field. However, they are not allowed CPT (Curricular Practical Training), OPT(Optional Practical Training), On/Off campus jobs, or Scholarships. In order to utilize these benefits the visa needs to be converted to F1 visa (International student visa).es, H4 visa holders can search for a H1B visa sponsor/ employer in the US. Now days, it has become difficult to achieve a genuine work visa sponsor both for tech and non-tech professional H4 visa holders.