A Doctor of Philosophy is a highly specialized degree that requires anywhere from 3 to 10 years of study and work to earn. Students can choose to pursue a PhD after completing a master’s degree in a similar or related field.
Education in the United States is mainly provided by the public sector, with control and funding coming from three levels: state, local, and federal, in that order. The common requirements to study at a higher education level in United States will include your admissions essay (also known as the statement of purpose or personal statement), transcript of records, recommendation/reference letters, language tests
Online PhD in General Education in USA