Post-secondary education in the United States is largely free of restrictions, giving students a wide variety of options. Common admission requirements for admission to any US university include meeting a certain age limit, transcript of high school grades, coursework, performance in core subjects in high school as well as advanced placement and IB courses, semester performance, SAT scores, extracurricular activities, and essays Acceptance and letters of recommendation from teachers and guidance counselors. Other admission criteria may include an interview, personal background, preferences based on kinship if there is another family member attending the same college and the ability to pay tuition fees.