PS Include a Statement of Purpose as part of the on-line application. It should be uploaded during the graduate school online application procedure. The statement should detail your general background (including any prior research experience) as well as your research interests and goals. Fee Non-refundable $66 application fee for on-line graduate applications. RL Arrange for three letters of recommendation to be sent. Using the electronic application, applicants will enter referee contact information. The graduate school will contact the referee with instructions on how to upload a letter of recommendation. Transcript Upload official transcripts from each institution attended (other than Penn State). Upon an acceptance of an offer of admission, hard copies of official transcripts must then be sent directly from the institution(s) attended for verification.