If you have studied your high school abroad you need to get a high school equivalency letter from The Ministry of Education in Turkey. You can also obtain this document from The Turkish Embassy/ Consulate in your country. Please note that this document is a must to complete your registration. To get more information regarding Equivalency Certificate you can click here.
Entry Requirements for Bachelor’s Degree/ Associate Degree Programmes
You can check the exams and minimum scores accepted for undergraduate program applications by Beykoz University from here.