موضوع خاص لمعرفة كم استغرق حصولك على الفيزا لمن كانو تحت الاجراء الاداري فقط

I think yes you need to apply for new visa as your son is going to study,In my strong believe I think the University won't let him start taking his classes unless he has a F1 visa that's just want I think.

all what you need to apply for new visa to get an appointment as soon as you can then go to the us embassy
what you will need for his F1 visa he will need to provide

The original I-20 from the school you want to attend, signed by the designated school official (copy also acceptable, as long as you have the original at the time of entry into the United States

Proof of payment of the SEVIS fee. Fee can be paid at www.fmjfee.com - print out form I-901 (confirmation of payment of SEVIS fee

Official school transcripts: The primary applicant must present transcripts for all previous coursework including high school and any colleges/schools/universities attended abroad or IN THE UNITED STATES, including for English language study - copies are acceptable

expenses listed on the I-20. Alternatively, proof of a scholarship, e.g. financial guarantee letter or valid scholarship ID card (King Abdullah Scholarship Program