Grade 304 is the most common of the three grades. Compulsory education consists of eight grades of elementary school. She finished lower secondary school with good grades. Beginning students progress through kyu grades towards dan grades. Free schooling was available through some of the elementary grades. Schools look for competent teachers across grades. Teacher Bias in grading accounts for 21% of the male deficit in grades. Class 3-E is notorious for containing a group of students with naturally low grades. There are several systems for grading stainless and other steels, including US SAE steel grades. Faculty write substantive narrative evaluations of students' work in place of issuing simple grades. The curriculum is applicable to grades 6 through 12. Some schools use a scale of 100 instead of letter grades. This is due to exams for those grades. She was considered a rigorous teacher who was tough with her grades. Children are assigned into year groups known as grades.