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List 77: US and Canada (excluding Québec) school or college grade

Value Description Notes Issue number Modified in Issue
P Preschool Age typically 0-4 years 1
K Kindergarten Age typically 5 years 1
1 First Grade Age typically 6 years 1
2 Second Grade Age typically 7 years 1
3 Third Grade Age typically 8 years 1
4 Fourth Grade Age typically 9 years 1
5 Fifth Grade Age typically 10 years 1
6 Sixth Grade Age typically 11 years 1
7 Seventh Grade Age typically 12 years 1
8 Eighth Grade Age typically 13 years 1
9 Ninth Grade High School Freshman – age typically 14 years 1
10 Tenth Grade High School Sophomore – age typically 15 years 1
11 Eleventh Grade High School Junior – age typically 16 years 1
12 Twelfth Grade High School Senior – age typically 17 years 1
13 College Freshman Age typically 18 years 1
14 College Sophomore Age typically 19 years 1
15 College Junior Age typically 20 years 1
16 College Senior Age typically 21 years 1
17 College Graduate Student Age typically 22+ years 1
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