In the Best Grade Miis page are all all Miis that have highest and lowest Grade skill. This Miis are from Wii Sports Club. You can also go to the Worst Grade Miis page.
Best Grade Miis[]
1.) Rebecca | Highest Grade = Level ★Infinity
2.) Sary | Highest Grade = Level ★800 trillion (12 zeros)
3.) Eva | Highest Grade = Level ★75,000,000
4.) Hideko | Highest Grade = Level ★2,000
5.) Hazuki | Highest Grade = Level ★1902
6.) Ivy | Highest Grade = Level ★928
7.) Samr | Highest Grade = Level ★95
8.) Leng-kuh | Highest Grade = Level ★93
9.) Mackenzie | Highest Grade = Level ★37
10.) Saxema | Highest Grade = Level ★30
11.) & I Highest Grade = Level ★21
12.) Tixata | Highest Grade = Level ★15
13.) Hadek | Highest Grade = Level ★11
13.) Xavier | Highest Grade = Level ★11
13.) Alex | Highest Grade = Level ★11
14.) Tommy/Taylor/Sara/Emily/Tom/Eoin/Chris/Adrien | ★10
15.) Anna | Highest Grade = Level ★9
16.) Terrokla | Highest Grade = Level ★8
17.) Ren (Wii Sports Club) | Level ★7
18.) Plexo | Highest Grade = Level ★6
19.) Karina | Highest Grade = Level ★5
20.) Iubana | Highest Grade = Level ★2
21.) Renetta | Highest Grade = Level ★2
22.) Masa (Wii Sports Club) | Level 10
23.) Tenfek | Highest Grade = Level 9