1. :1-6 in primary school grades (6-12)2. Junior middle schools: 7-8 grade (13-14 years)3. :9-12-year secondary school (aged 15-18)4. University (College): General for a four-year (18 years old and above), and "Institute" or "College", a university graduate students engaged in research and set up.American universities currently in place-degree, associate degree, master's and doctorate system, representing the two major categories of undergraduate and postgraduate education four different academic standards. In addition the American University also awarded honorary degrees, which does not reflect the academic degree, but for society to recognize the outstanding contributors. Two-year colleges, also known as junior or technical college, most of the public, mostly organized by the local communities, it is commonly referred to as community colleges.A four-year colleges, there are roughly two categories: one category or the College of Arts, Academy of Sciences, the other is independent of the Academy.These two types of college education system is generally four years. College of Arts and cultural Academy of Sciences awarded to graduates of the most common is the degree Bachelor of Arts and Bachelor of Science, the Academy awarded the professional degree.Comprehensive university, access to these College study, often requires a four-year university degrees, the system is usually three to four years, the high cost of a long time. Comprehensive university awarding bachelor, master's and doctoral degrees 3.