There are several provisions in US Immigration Law that allows foreigners to attend school in the United States. For help with any immigration related issue you should retain the immigration experts at Hilf & Hilf, PLC:
F-1 Student requirements:
1) Pursue a full course of study (with some exceptions) at an established private elementary school, private high school, university, college, community college, seminary, conservatory, or other academic institution or a language training program in the United States. The school must be SEVIS approved;