USAMO qualification in a year
AMC 12 is fine and AIME is no shock. What you need now is the move from getting answers to writing proofs.
Problems
1,440
Hours
685
Hours a week
13
Problems a week
28
Start at stage 4 Not sure this is your level?
What you work through
| Stage | Roughly this paper | Problems |
|---|---|---|
| 4 | AMC 12 late · AIME early | 340 |
| 5 | AIME late | 400 |
| 6 | BMO Round 1 · national olympiad first round | 400 |
| 7 | BMO Round 2 · USAMO P1/P4 · IMO P1/P4 | 300 |
Where it leaves you
Able to write up a USAMO P1 or an IMO P1 properly, not just see the idea.