1. Telephone US Embassy for an appointment for a nonimmigrant student visa (M-1) on 0904 245 0100 -- calls are charged at £1.20 per minute.
2. Complete form DS-156 (Non-immigrant Visa Application) @
https://evisaforms.state.gov/ -- print completed version & retain for interview
Photograph requirements: http://travel.state.gov/visa/temp/info/info_1287.html
3. Complete form DS-157 (Supplemental Non-immigrant Visa Application) @
http://www.state.gov/documents/organization/79964.pdf -- print & retain
4. Complete form DS-158 (Contact Information and Work History for Non-immigrant Visa Applicant) @
http://www.state.gov/documents/organization/79965.pdf -- print & retain
5. Make the I-901 fee payment to the Student and Exchange Visitor Information System (SEVIS) @
http://www.fmjfee.com/ -- print receipt & retain
6. Checklist of documents for interview:
- Passport or UN Travel Document
- Non-immigrant visa interview appointment confirmation letter
- Machine Readable Visa (MRV) fee receipt
- I-20 M-N Certificate
- DS-156 (including regulation photograph)
- DS-157
- DS-158
- SEVIS I-901 fee receipt
- Bank statements to prove financial support during stay
- Travel itinerary (either intended or booked)
- Sufficient funds for Embassy courier service
- & Dependents to be admitted under M–2 status (if any)
Now ask yourself why you're throwing money at a company which leaves you asking this basic question on PPRuNe.