greencard applied under F2A (age out condition)

[lotus_55]

My mother and Father are US greencard holder. My mother had applied for my greencard under F2A category (priority date August 2005) when I was just under 21yrs. My petetion was approved when I was 21yrs and one month old under the F2A category. I still lives in India. As I understand that I will never able to get the student visa due to my dual intent but could anyone please advise me if my application has automatically moved to F2B due to age-out condition as I am currently 23yrs old? Do I need to wait several more years under F2B category or my application could still be considered under F2A category.
Please someone advise me. Is there any other way I can apply for higher studies in US and would be able to come to US.
I will really grateful for your advice.

Thanks.