It doens't disqualify you immediately - however according to the food stamp site it comes extremely close (http://www.fns.usda.gov/fsp/applicant_recipients/students.htm
Most able-bodied students ages 18 through 49 who are enrolled in college or other institutions of higher education at least half time are not eligible for food stamps. However, students may be able to get food stamps if otherwise eligible and they:
Get public assistance benefits under a Title IV-A program I don't know how many are involved with this
Take part in a State or federally financed work study program - first year students can't work most places so this is out
Work at least 20 hours a week same as aboveThe rest are mostly for students with children
Are taking care of a dependent household member under the age of 6;
Are taking care of a dependent household member over the age of 5 but under 12 and do not have adequate child care to enable them to attend school and work a minimum of 20 hours, or to take part in a State or federally financed work study program; or
Are assigned to or placed in a college or certain other schools through:
A program under the Workforce Investment Act of 1998,
A program under Section 236 of the Trade Act of 1974,
An employment and training program under the Food Stamp Act, or
An employment and training program operated by a State or local government.
Also, a single parent enrolled full time in college and taking care of a dependent household member under the age of 12 can get food stamps if otherwise eligible.