You can check what level you are on by looking at your report card.
Step 1:
Tap the Home button to return to the Pick A Player menu.
Step 2:
Once you are back on the Pick A Player menu, tap to highlighting the player of your choice
Step 3:
When you pick you player, their Report Card will show to the left of their name.
Step 4:
Click on the ‘Report Card’ button to check their progress.