You should apply for a student visa (F-1) if you would like to study full time in the United States. A student visa is issued by the American Embassy in your home country.
In order to apply for a student visa, you must have an I-20 issued by the school you would like to attend. Students on a student visa (F-1) are required by U.S. Immigration law to study in a full-time program with a minimum of 18 hours per week.
The Harvest English Institute is authorized under Federal law to enroll non-immigrant alien students.