PS Statement of purpose Fee The application fee is $125, is non-refundable, and must be received by the appropriate application deadline. RL A minimum of three (3), maximum of six (6) recommendation letters submitted online directly by the recommenders. Transcript Online application, includes unofficial transcript(s). Mail one (1) official transcript from all post-secondary institutions you have attended for at least one year in a degree program to the Student Services Office. You'll be asked to provide a second official transcript if you are admitted to the program. Student Services Office Department of Materials Science and Engineering 496 Lomita Mall, Durand Building, Room 111A Stanford, CA 94305-4034