Old CS Grade
NERC
BBSRC
STFC
MRC
EPSRC
ESRC
SSC
AA
9
A
6/7
-
AO
8
B
5/6
EO/SO
7
C
4/5
HEO/HSO
6
D
4
SEO/SSO
5
E
3
Grade 7
F
2/3
Grade 6
G
Grade 5
2
1
H
UG5