ONIX Code Lists Issue 36, January 2017
List 227: Chinese School Grade Code

Value Description Notes

P Preschool Typical age less than 3
K Kindergarten Typical age 3–5
1 Primary school First grade Typical age 6
2 Primary school Second grade Typical age 7
3 Primary school Third grade Typical age 8
4 Primary school Fourth grade Typical age 9
5 Primary school Fifth grade Typical age 10
6 Primary school Sixth grade Typical age 11
7 Junior secondary school Seventh grade Typical age 12
8 Junior secondary school Eighth grade Typical age 13
9 Junior secondary school Ninth grade Typical age 14
10 Senior secondary school Tenth grade Typical age 15
11 Senior secondary school Eleventh grade Typical age 16
12 Senior secondary school Twelfth grade Typical age 17
13 University first year Typical age 18
14 University second year Typical age 19
15 University third year Typical age 20
16 University fourth year Typical age 21
17 Graduate level Typical age 22+