FOREIGN STUDENTS APPLICATION
Foreign students may be admitted on the basis of qualification from their home country for which the West African Examination Council shall determine equivalences. Evidence of proficiency in English speaking countries. Foreign students will not enjoy government of Ghana scholarship. Foreign students may contact the Ministry of Health for fees for the various programmes
According to the above stipulation, you can apply with NECO.
You need to buy an application pin from the school or any nursing school and apply online at http://mohschools.edu.gh
Since you only stated "Holy family Nursing Training" we do not know know which of the Holy Family Schools you are referring to. There over 5 Nursing School all called Holy Family but at different locations.
The school cannot help you process your visa. They can only give you admission letter which will serve as evidence for you student status and make it easier for you in getting a visa.
Fees to paid will all be stated in your admission letter if your application is accepted together with instructions on how to register
All nursing training colleges are provided with accommodation by the school and it will be included as part of the fees