Clasificación
2021
Pilotos
| Pos | Piloto | Puntos |
 US
|
US
|
US
|
US
|
US
|
US
|
US
|
US
|
US
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
K. Kirkwood
Andretti Autosport
| 506 | 29 | 57 | 38 | 63 | 40 | 63 | 78 | 25 | 64 |
| 2 |
D. Malukas
HMD Motorsports
| 498 | 40 | 54 | 57 | 39 | 45 | 44 | 92 | 32 | 44 |
| 3 |
L. Lundqvist
Global Racing Group w/ HMD Motorsports
| 427 | 57 | 34 | 49 | 51 | 36 | 38 | 47 | 22 | 47 |
| 4 |
B. Pedersen
Global Racing Group w/ HMD Motorsports
| 337 | 39 | 26 | 23 | 25 | 39 | 27 | 66 | 19 | 39 |
| 5 |
D. Frost
Andretti Autosport
| 323 | 23 | 44 | 28 | 24 | 34 | 51 | 40 | 13 | 32 |
| 6 |
D. DeFrancesco
Andretti Autosport
| 312 | 44 | 26 | 29 | 31 | 26 | 34 | 55 | 10 | 25 |
| 7 |
R. Megennis
Andretti Autosport
| 302 | 23 | 33 | 27 | 26 | 47 | 27 | 42 | 17 | 26 |
| 8 |
R. Robb Sting
Juncos Racing
| 239 | 26 | 23 | 23 | 22 | 25 | 21 | 29 | 12 | 27 |
| 9 |
T. Sowery
Juncos Racing
| 236 | 38 | 20 | 47 | 41 | 25 | 30 | 35 | - | - |
| 10 |
A. Peroni
Carlin
| 228 | 32 | 30 | 39 | 27 | 27 | 24 | 49 | - | - |
| 11 |
C. Bogle
Carlin
| 214 | 22 | 19 | 18 | 22 | 25 | 19 | 38 | 11 | 20 |
| 12 |
A. Serravalle
Pserra Racing/AS Promotions
| 176 | 19 | 25 | 20 | 19 | 26 | 17 | 31 | - | - |
| 13 |
N. Lastochkin
HMD Motorsports
| 123 | 22 | 23 | 16 | 24 | 19 | 19 | - | - | - |
| 14 |
R. Lindh
Juncos Racing
| 69 | - | - | - | - | - | - | - | 14 | 31 |
| 15 |
M. Sulaiman
HMD Motorsports
| 64 | - | - | - | - | - | - | - | 15 | 25 |
