Reputation of the Faculty - What are their academic degrees/credentials and research specialties? What is the student/faculty ratio? Look at faculty websites if available.
Quality of the Program - This is measured by many different factors, many of which are mentioned below. You may choose to look at graduate school rankings to help you assess a program's quality; however, the rankings may be based on criteria that are different from your own. What's more, many scholars, deans, and advisors question the validity of such rankings.
Financial Costs - What are the opportunities for fellowships, assistantships, or scholarships? What other sources of financial aid are available?
Admission Requirements - GPA test scores, undergraduate coursework, specific entrance examinations, etc.
Available Course Offerings - Are courses you need to fulfill degree requirements frequently offered? Will the course offerings help you meet your professional or educational goals?
Employment - Where are graduates of the program working, and how much are they earning?
Facilities - Consider the quality of on-site facilities such as libraries, computer labs, and research facilities.
Geographic Location - Will studying in a particular location help you meet personal or professional goals?
Student Life - Consider the diversity of students, student organizations, housing, and campus support services.