77 — US and Canada (excluding Québec) school or college grade
| Code | Description | History |
|---|---|---|
1
|
First Grade
Age typically 6 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 |
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 |
K
|
Kindergarten
Age typically 5 years |
+1 |
P
|
Preschool
Age typically 0-4 years |
+1 |